Diadem: Worlds of Magic — by John Peel

• 2004
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Score falls victim to a deadly illness with only one cure: stopping the mysterious person behind this magical attack. Determined to save their friend, Helaine and Pixel go to Score's hometown, the Earth city of New York, to seek out his attacker, who...

• Sep-2004
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In the third book, the young magic-users travel to Dondar, a beautiful land of purple skies and blue grass. It is also home to Garonath, the unfriendly wizard of forms. With help from their unicorn friends, they fight his magical monsters, but they s...

• Nov-2004
• 

Score, Helaine, and Pixel rush to the planet Dondar to rescue their unicorn friends. Thunder, the noble leader of a herd has lost his title-and almost his life-to Tychus, a rogue unicorn who has a "wrongness" about him that everyone senses. And Helai...

• Mar-2005
• 

Destiny is not the innocent girl she pretended to be on Earth. She's actually a power-hungry magic-user who has kidnapped Pixel and taken him to a terrible planet called Zarathan - where fears come to life and falling asleep means death!

Hel...

• May-2005
• 

When Helaine was whisked away from home, she never got a chance to say goodbye. Now she's homesick and worried about her family. As the daughter of prominent Lord Votrin, Helaine knows her sudden departure ruined her father's plans to forge an import...

• Sep-2005
• 

Born into nobility, Helaine can't get over the fact that Jenna, a mere peasant on their home world, is her equal. Their constant bickering convinces the four magic-users to take a much-needed vacation. Hoping for a relaxing time at the beach, they go...

• Feb-2006
• 

Book of Reality finds Score, Helaine, Pixel, and Jenna journeying back to Calomir, Pixel's home planet of virtual reality. Pixel hasn't been back to Calomir since being snatched from the futuristic planet when he was first pulled into the magic and d...

• May-2006
• 

Now that one of the Three Who Rule has escaped, the Diadem is in serious danger. Nantor, Pixel's ancient, evil self, has taken over the young magic user's body and is threatening to, once again, rule the worlds. Poor Pixel is alive in a small cell of...