The second edition of this textbook was published in 2008 by Pearson Education in the UK. (The first edition appeared in 2005.) It is intended to follow
Essential Mathematics for Economic Analysis, 3rd. edition
(with Knut Sydsæter).
It is co-authored with Knut Sydsæter, Atle Seierstad, and Arne Strøm.
For more information, see
Knut's "bookshelf"
and the publisher's site
Pearson.
Other possible sources for internet orders include
Blackwells
(Oxford)
or
internetbookshop
(A division of W.H. Smith --- a large UK chain of bookshops).
The ISBN (best for a precise search) is 9780273713289;
alternatively look for books by author sydsaeter (anglicized spelling).