Very Easy Sudoku for Beginners Volume 1: Funny Unique Challenge for Math Lover Any Age Year Old. Special Daily Logic Game for Kid Adult Senior to Improve Memory Keep Brain Sharp

by Glee Newton Game Joy Exercise Series Paperback details (United States). ISBN: 978-1-6517-6040-6 ISBN-10: 1-6517-6040-3 Independently published · 18. February 2020