Do you ever wonder what scientists really have bubbling away in their beakers, or in what strange ways pirates really passed the time at sea? The Everything KIDS' Gross Hidden Pictures Book is packed with puzzles and facts about the extreme lifestyles and zany behavioral habits of everyone from athletes and ancient peoples to knights and pioneers. You'll have a blast searching for clues to uncover the secret ways behind their daily lives. Packed with all-new puzzles for hours of fun, The Everything KIDS' Gross Hidden Pictures Book is sure to meet your grossest expectations! Book jacket.