Night of the Ninjas

["Fiction" "History" "Japan" "Magic" "Ninja" "Spanish language materials" "Time travel" "Tree houses" "Juvenile fiction" "Time travel -- Fiction" "Magic -- Fiction" "Ninja -- Fiction" "Japan -- History -- Fiction" "Magia" "Historia" "Ficci\u00f3n juvenil" "Viajes a trav\u00e9s del tiempo" "Chapter Books" "Fantasy & Magic" "Asia" "Historical" "Reader" "Children's fiction" "Japan fiction" "Time travel fiction" "Magic fiction" "Adventure and adventurers fiction" "Tree houses fiction" "Brothers and sisters fiction"]