Valerio Fabbretti

"Hamster Holmes and Dr. Watt want to help their friend Ouchy the Porcupine find his missing comb, but have trouble finding clues. Can a comb vanish into thin air?"-- Provided by publisher.

"Hamster Holmes and his firefly sidekick, Dr. Watt, are famous for solving mysteries. Something unusual happens when tiles go missing. Hamster Holmes is stumped."--Page [2] of cover.

Investigating the mysterious footprints of a home invader who their inventor friend believes is trying to steal his ideas, Hamster Holmes and Dr. Watt work to identify the animal responsible for the footprints before it is too late.

"Hamster Holmes and his firefly sidekick, Dr. Watt, ... are enjoying a fair when a friend invites them to race to find a hidden hourglass. Can they solve the word puzzles in time? Time will tell!"-- Provided by publisher. Includes facts and activities.

"Discover the thrilling side of the history of the space race in this fact-tastic, nonfiction Level 3 Ready-to-Read, part of a series about the secrets of American History! Did you know that you can't bring a sandwich on a spaceship? Or that a group of people who had lost their hearing played an important role in the race to send astronauts to the moon? Find out about those true stories and more in this book about the space race of the 1950s and 1960s."--...

Profiles some of the spies of the Civil War, including Harriet Tubman, Robert Smalls, and Mary Touvestre.