Books listed by ISBN > Independently published > Roger K. Daneth

Roger K. Daneth

K. D. · R.D. · R.K. · Roger D.

titleISBN-13
(ISBN-10)		year of publication
EASY MENTAL MATH978-1-5208-3218-0
(1-5208-3218-4)		2017
Mental Math Secrets, Math Made Simple for Fast Answers, Improve Your Memory978-1-7198-8634-5
(1-7198-8634-2)		2018

Roger K. Elliott