Acknowledged authors
Cuisinaire,
Cuisenaire
wrote Super Source for Cuisenaire Rods, Grades 3-4
comprising pages back in 1996.
Textbook and eTextbook are published under ISBN 1574520040 and 9781574520040.
Since then Super Source for Cuisenaire Rods, Grades 3-4 textbook
was available to sell back to BooksRun online for the top buyback price
or rent at the marketplace.