OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Through Russia with love = Po Rossii s li︠u︡bovʹi︠u︡ : a complete course for beginners in Russian by Natalia Veshneva. ISBN 0954051513. Published by Melrose in 2002. Publication and catalogue information, links to buy online and reader comments.