Ozwick the wizard has 3 apprentices and a son and wants to give each of them one of his magic books. Each book will go to the person who deserves it most. The clues are that Helen does not like griffins or unicorns, Oz collects family photos, Nina does not like getting wet, Vanessa loves soup and liquid things, and Helen likes time traveling. They must use the clues to determine which apprentice or son will receive each book.