Two related publications on counter-examples in calculus by Sergiy Klymchuk

In January 2010 the Mathematical Association of America re-published the New Zealand edition of the book for their market:
https://www.maa.org/EbusPPRO/Bookstore/ProductDetail/tabid/170/Default.aspx?ProductId=2322
Along with the UK edition published by the Imperial College Press in July 2009 (https://www.worldscibooks.com/mathematics/p627.html) it brings more international recognition of this good practice.
