So Simple Crochet uses US crochet terminology.

Publisher ‏ : ‎ New Holland (January 1, 2000)
Language ‏ : ‎ English
Hardcover ‏ : ‎ 128 pages
ISBN-10 ‏ : ‎ 1845373758
ISBN-13 ‏ : ‎ 978-1845373757

Publisher ‏ : ‎ Creative Homeowner; First edition (October 15, 2005)
Language ‏ : ‎ English
Paperback ‏ : ‎ 128 pages
ISBN-10 ‏ : ‎ 1580112765
ISBN-13 ‏ : ‎ 978-1580112765

Simple Stylish Crochet uses UK crochet terminology.
Publisher ‏ : ‎ New Holland Publishers Ltd (June 29, 2007)
Language ‏ : ‎ English
Paperback ‏ : ‎ 128 pages
ISBN-10 ‏ : ‎ 1845378903
ISBN-13 ‏ : ‎ 978-1845378905

Publisher ‏ : ‎ NEW HOLLAND PUBLISHE (January 1, 2006)
Language ‏ : ‎ English
Hardcover ‏ : ‎ 128 pages
ISBN-10 ‏ : ‎ 1845370791
ISBN-13 ‏ : ‎ 978-1845370794

The two books have the same patterns, but each has different terminology.

Paperback published in January 2000 by New Holland