The Princess in Black #6 and the Science Fair Scare
The Questioneers: The Why Files #6: Ada Twist, Scientist Team Green!
The Secret Explorers #7: and the Missing Scientist
The Questioneers: The Why Files #3: Ada Twist, Scientist and the Science of Baking
The Questioneers: The Why Files #1: Ada Twist, Scientist and Exploring Flight!
The Questioneers: The Why Files #2: Ada Twist, Scientist and All About Plants!
Henry Heckelbeck #8: Henry Heckelbeck Builds a Robot
The Questioneers #5: Ada Twist and the Disappearing Dogs
Craftily Ever After #4: Dream Machine
