21 Years... that's how long Okami has to save the future... but in order to do that, he must first travel to the past, to a Tokyo that he doesn't recognize, to a time filled with mythical beasts and where danger hides around every corner. This is the life of a Reaper... a collector of sacred creatures... a time traveler on a mission to rescue a dying city from a terrifying evil. 21 Years is an exciting new series of manga novels from Hippo Books. 21 Years: Part One is published by Hippo Books, a publisher dedicated to producing interesting, readable and fun books. This book is suitable for English students with upper-intermediate English or higher. Be sure to check out our other Hippo Graded Readers. About the Author: Cooper Baltis is one of the writers and founders of Hippo Books. He is a former Fulbright English Teaching Assistant at the National University of Mongolia and is TESOL certified. He has taught English in Asia for five years and has published stories in several literary magazines in America. His Hippo books include Hassan and Lulu and My Brother the Giant, as well as many short story collections. To find out more about this author, click his name under the book title above.