"Puzzle Planet Adventures" are futuristic game books, with a puzzle to solve in each chapter before the adventurer can proceed. In this book, Zach and Stella are accused of stealing the essential Quartz whilst on the Quasar star cruiser. Without it the ship and its inhabitants are doomed.
All Charlie Tickler wants is for his parents to listen. All Francine (a.k.a Frog) Castle wants is to be the world's greatest detective. So begins the friendship of Charlie and Frog, who soon become a crime-solving duo, restoring order to Castle-on-the-Hudson. Charlie, the new kid at the Castle School ...
