Author Information
John Zakour; Katrina Kahler's Latest Book

Newest Release

  • Bibliography:
    33 Books (6 Series)
  • First Book:
    February 2017
  • Latest Book:
    May 2019
  • Author Rating:
  • Share:

Full Series List in Order

Diary of a Super Girl

1 - The Ups and Downs of Being Super (Feb-2017)
2 - The New Normal (Mar-2017)
3 - The Power of Teamwork! (Apr-2017)
4 - The Expanding World (Jun-2017)
5 - Out of This World (Jul-2017)
6 - Saving the World (Aug-2017)
7 - Boyfriends and Best Friends Forever! (Nov-2017)
8 - A New Type of Love! (Jan-2018)
9 - The New Girl (Mar-2018)
10 - More Trouble! (Jun-2018)
11 - Under the Sea (Jul-2018)
12 - The Invasion (Sep-2018)
13 - True Love! (Nov-2018)
14 - Love Battle (Feb-2019)
15 - The Battle Continues (May-2019)

Diary of a Super Clone

1 - The Battle (Dec-2017)
2 - Rivals! (Dec-2017)
3 - Teamwork (Feb-2018)
4 - Slimes Away! (Apr-2018)

Geek Girl

1 - A Cool New Start (Jan-2019)
2 - A Little Romance (Jan-2019)
3 - Double Trouble (Jan-2019)

Ghost Busters

1 - Max, the Ghost Zappper (Apr-2017)

Girl Power

1 - Girl to the Rescue! (Nov-2017)
2 - Good versus Evil! (Nov-2017)
3 - The True Enemy (Dec-2017)
4 - End Game (Apr-2018)

Nina: The Friendly Vampire

1 - My Crazy Life (Apr-2018)
2 - It's Never Dull (Apr-2018)
3 - Rivals (May-2018)
4 - Families (Jul-2018)
5 - Under Attack (Aug-2018)
6 - Family Ties (Oct-2018)

Book List in Order: 33 titles



  • Books for Girls ages 9-12: Lia Strong always thought of herself as a normal 12 year old. She had to deal with the ups and downs of middle school. You know how it goes...hanging out with friends, going to LAX practice, doing massive amounts of homewor...



  • Diary of a Super Girl...In the 2nd addition to this funny and exciting series, Lia discovers that her super power has become the "new normal." However, she is not prepared for the exciting challenges that arise, and she is forced to deal with them in...



  • GHOST BUSTERS - Book 1 is a great book for boys. If you enjoy fun ghost stories then you are sure to love this series!Everything changed for Max on his 12th Birthday! First of all his Hamster started talking to him and then he found out that he is a ...



  • Diary of a Super Girl - Book 3

    The third addition to this fun and exciting series, is full of more action, adventure and humor, As always, it will keep you entertained through until the very end. Lia Strong discovers the power of teamwork and ...



  • The funny and entertaining story of Lia Strong, in Diary of a Super Girl, continues on with another hilarious adventure. Lia is never sure what's in store for her but finds that normal challenges, such as school elections and the wrath of her classma...



  • In book 5 of the Diary of a Super Girl series, Super Teen, Lia Strong makes a very unusual new friend and her life becomes even more eventful than ever. However, sometimes first impressions can be deceiving and Lia is forced to learn the hard way whe...



  • Diary of a Super Girl - Book 6: Saving the World...In this new addition to the Diary of a Super Girl series, Super Teen is faced with even more challenges than ever before. But as well as fighting bad guys and saving the planet, she is also faced wit...



  • Diary of a Super Girl: Book 7 continues the fabulous Super Girl series and includes more challenges for Lia as she tries to deal with being super. This is not easy for a young girl in middle school, especially when it comes to having a boy crush....



  • GIRL POWER - Book 1: Girl to the Rescue is a perfect book for girls ages 9-12! Girls can do ANYTHING! This is a wonderful story for all fantasy loving girls. It is a story about queens, kings, knights, wizards, and magic mixed with regular middle...






  • GIRL POWER - Book 2: Good versus Evil is a perfect book for girls ages 9-12! Girls can do ANYTHING! In this second addition to the Girl Power series, the battle continues with Gwen determined to locate more of her loyal knights to assist her in f...



  • Diary of a Super Clone...Book 1: The Battle...an exciting and hilarious book for kids ages 9 - 12 and beyond! Adam may look like a normal boy, but there is nothing normal about him. He's a super-powered clone with a heap of very cool powers. Not ...



  • Diary of a Super Clone...Book 2: RivalsIn the second addition to this hilarious series, Super Clone, also known as Quazar, continues his mission to save Future Now and Center City from the bad guys. As well as a giant ape, a group of rampaging el...



  • A fantastic book for girls who love adventure!In Girl Power Book 3, Gwen continues to fight the evil power that is taking control of humans. In this thrilling story, Gwen and her knights are desperate to win a competition to go to a Kristi Quick's co...



  • Diary of a Super Girl Book 8 is another funny and exciting addition to the Diary of a Super Girl series.This book includes a new type of love that involves androids and humans. But how will the people of the world react to this news and how does Lia'...



  • Diary of a Super Clone - Book 3: TeamworkThe excitement and adventure continue on in this action-packed addition to the Diary of a Super Clone series. Once again, Adam, aka Quazar, is faced with evil forces that are threatening his world. First o...



  • Diary of a Super Girl - Book 9: The New GirlThis book continues the story of Super Girl as she strives to keep her city and her friends safe from evil. However, when two dozen mutant rhino men show up, followed by a mysterious new superhero who i...



  • This is the final book in GIRL POWER. A fantastic book for Girls aged 9-12 who love fantasy and action.In Book 4, Gwen must decide who she can trust...Morgana, Kristi or Nimue? It is a battle of epic proportions between good and bad. Luckily for Gwen...



  • Nina's life is never dull and boring! Preparing for a Science Fair is excitement enough for most kids, but Nina has a lot more to worry about! Annoying gremlins have invaded her home and they love her smelly feet and socks. The gremlins are pains, bu...



  • Imagine how complicated your life would be...if you mom was a vampire and your dad was a weretiger?Welcome to Nina's life, she's half of each! Her family have moved to a new town to combat the Glitters. What are Glitters? Well obviously they glitter ...






  • Diary of a Super Clone - Book 4: Slimes AwayThe action-packed story of Adam (aka Super Clone) continues in this funny book. Faced with a variety of slimes from another dimension, Adam and his super-powered friends are called in to help. But when ...



  • Perfect book for kids aged 9-12!Strange things are happening in Nina's life...both at home and at school. Somehow, Sasha seems to have increased her powers of persuasion and is enjoying making Nina and Ruby's life very difficult; eventually turning e...



  • Diary of a Super Girl - Book 10: More TroubleThis addition to the Diary of a Super Girl series will not disappoint! It contains even more action and adventure with our favorite superhero, Lia Strong chasing down the bad guys and saving Center Cit...



  • Awesome book for kids aged 9-12!There's a new kid in town...actually it's a new vampire girl called Adra Anagal. She's smart, pretty and strong! When Nina first meets Adra she isn't sure whether the new vamp girl will be a friend or a foe. Weird thin...



  • Diary of a Super Girl - Book 11: Under the seaThis is another exciting and fun-filled addition to the Diary of a Super Girl series. In this story, Lia is forced to utilize a special inner power that she has previously tried to avoid. But this inn...



  • Nina The Friendly Vampire - Book 5: Under AttackImagine how excited Nina, Frank, and Ruby are when they find out they are going to Kenya in Africa! Yes, the holiday of a lifetime!Oh, hang on...it is 'a kind of' holiday. You know the type of holid...



  • Diary of a Super Girl - Book 12: The InvasionAction packed from the very first page, this funny book for kids is full of laughs and adventure. To begin with, our favorite superhero, Lia Strong, is faced with the challenge of armored bank robbers ...



  • Another fabulous book for kids 9 - 12...Book 6 - Family Ties continues the story of Nina the friendly vampire as she is challenged with a new dilemma. Her crush, Jimmy has discovered that his mother is missing and he asks Nina's family to help him fi...



  • Diary of a Super Girl - Book 13...Super Teen, our favorite superhero, is back with more laughs, more adventure, and more action. This time, due to turmoil in another world, she takes an unexpected journey. As the situation requires backup, a couple o...



  • Geek Girl - Book 1: A Cool New StartThis is a funny story about a geek girl named Maya. Yes, she is a geek, a very cool geek at that, and when Maya and her family move into the old three-story house that belonged to Maya's grandpa, Maya is not pr...






  • Geek Girl - Book 3: Double TroubleIn this addition to the Geek Girl series, Maya discovers that her wish has unexpectedly been granted and she is faced with something she had not bargained for. This leads to a whole new adventure for Maya who lea...



  • Geek Girl - Book 2: A Little RomanceThe story of Maya, the geek girl, continues with Maya having to tackle not only the city-wide robot competition but also the strange events that are occurring in her secret lab.When she discovers her grandpa's ...



  • Diary of a Super Girl - Book 14 has a romantic ending where Lia finally chooses between Jason, her BFF, and Adam, the handsome superhero. This love battle is one that Lia decides to face once and for all. She is also forced to confront her biggest ch...



  • Diary of a Super Girl - Book 15: The Battle ContinuesLia Strong, our favorite super teen, is back in action when a new enemy appears in her world. In this story, Lia finally learns the meaning of teamwork as well as self-control when it comes to ...


Frequently Asked Questions (FAQ)

John Zakour; Katrina Kahler has published 33 books.

John Zakour; Katrina Kahler does not have a new book coming out soon. The latest book, The Battle Continues, was published in May 2019.

The first book by John Zakour; Katrina Kahler, The Ups and Downs of Being Super, was published in February 2017.

Yes. John Zakour; Katrina Kahler has 6 series.