Sandra J. Walde
Books
Campbell Biology, Canadian Edition,
2014
ISBN 9780321866530- No cover
Campbell Biology, Third Canadian Edition, Loose Leaf Version
2020
ISBN 9780135166833 
Campbell Biology, Canadian Edition, Loose Leaf Version
2014
ISBN 9780321930958- No cover
Study Guide for Campbell Biology, Third Canadian Edition
2020
ISBN 9780135198506