(Hardback)

When 12-year-old painter Esther gets stuck at math camp rather than art camp, she is determined to prove herself. But someone leaves cryptic messages intended to drive her away in this smart and funny middle-grade mystery with built-in logic puzzles that readers can solve.

(Hardback)

Eleven-year-old Jameson O'Malley discovers that people are withholding information about his father and the Mars colony where he lives. Determined to learn the truth and discover what happened to their parents, Jameson and his new friend Astra embark on a journey exploring life, loss, and friendship.