DOUG SOLTER

Their first mission shouldn't be this dangerous.

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The Gems go undercover at Avondale...a prestigious New Zealand girl's boarding school...to search for clues in the disappearance of a world-famous scientist. But the Gems soon uncover a trail of lies, an evil plot that threatens the world, and two Irish twins who are much more than just the mean girls at school.

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Dr. Yes features strong characters, girl-power bonding, mean girls you'll love to hate, mystery, intrigue, and lots of danger. If you like culturally-diverse characters, fun dialogue, and riveting action, then you'll love this prequel to The Gems young adult spy series.

Experience this thrilling prequel adventure today!