Secret of the Knights
Jim Gasperini
Book - 1
Feb-1984
Search for Dinosaurs
David Bischoff
Book - 2
Jan-1984
Sword of the Samurai
Michael Reaves
Book - 3
Jun-1984
Sail With Pirates
Jim Gasperini
Book - 4
Nov-1984
Civil War Secret Agent
Steve Perry
Book - 5
Nov-1984
The Rings of Saturn
Arthur Byron Cover
Book - 6
Jun-1985
Ice Age Explorer
Douglas Dixon
Book - 7
May-1985
Mystery of Atlantis
Jim Gasperini
Book - 8
Jul-1985
Wild West Rider
Stephen Overholser
Book - 9
Sep-1985
American Revolutionary
Arthur Byron Cover
Book - 10
Dec-1985
Mission to World War II
Susan Nanus
Book - 11
Mar-1986
Search for the Nile
Robert Walker
Book - 12
Apr-1986
Secret of the Royal Treasure
Carol Gaskin
Book - 13
Jul-1986
Blade of the Guillotine
Arthur Byron Cover
Book - 14
Sep-1986
Flame of the Inquisition
Marc Kornblatt
Book - 15
Nov-1986
Quest for the Cities of Gold
Richard Glatzer
Book - 16
Jan-1987
Scotland Yard Detective
Seymour Reit
Book - 17
Mar-1987
The Sword of Caesar
Robin Stevenson
Book - 18
May-1987
Death Mask of Pancho Villa
George Guthridge
Book - 19
Jul-1987
Bound for Australia
Nancy Bailey
Book - 20
Sep-1987
Caravan to China
Carol Gaskin
Book - 21
Nov-1987
Last of the Dinosaurs
Peter Lerangis
Book - 22
Jan-1988
Quest for King Arthur
Ruth Ashby
Book - 23
Mar-1988
World War I Flying Ace
Richard Mueller
Book - 24
May-1988
World War II Codebreaker
Peter Lerangis
Book - 25
Aug-1989
Frequently Asked Questions (FAQ)
There are 25 books in the Time Machine series.
The Time Machine series does not have a new book coming out soon. The latest book, World War II Codebreaker (Book 25), was published in August 1989.
The first book in the Time Machine series, Secret of the Knights, was published in February 1984.
The Time Machine series primarily falls into the General Fiction genre. This young adult series was written for ages 12-17, but can be enjoyed by adults too.