Ninjas and samurai : a nonfiction companion to Magic tree house #5 : Night of the ninjas / by Mary Pope Osborne and Natalie Pope Boyce ; illustrated by Sal Murdocca.
Includes bibliographical references (pages 114-118) and index.
Summary
A fact-filled companion to Jack and Annie's fifth adventure discusses what it was like to be a ninja or samurai in ancient Japan and whether or not such talented martial-arts masters actually possessed special abilities.