Knowing and Teaching Elementary Mathematics: Teachers' Understanding of Fundamental Mathematics in China and the United States
Key differences between 2nd and 1st editions
 Period between current and previous publications: 11 years (2010 vs 1999).
 The book was first published in 1999.
 The Second Edition hasn't changed significantly from the original version and consists of 7 chapters just as predecessor.
 Updated preface, introduction, and key journal articles.
2nd Edition of
Knowing and Teaching Elementary Mathematics: Teachers' Understanding of Fundamental Mathematics in China and the United States
eBook, 199 pages
eBook ISBN: 9781135149451
Published by: Routledge, April 02, 2010
Book Store  Price 
 Available

 $23.98 
Hardcover, 232 pages
ISBN10: 0415873835
ISBN13: 9780415873833
Published by: Routledge, January 25, 2010
Book Store  New  Used  Rent 
 $149.09

From: $49.68  
 $160.05 

$148.50 due: Aug 03
$140.25 due: Jul 19
$132.00 due: Jun 19

Paperback, 232 pages
ISBN10: 0415873843
ISBN13: 9780415873840
Published by: Routledge, January 27, 2010
Book Store  New  Used  Rent 
 $29.10

From: $15.34  
 $50.39 

$31.17 due: Aug 03
$28.57 due: Jul 19
$25.98 due: Jun 19

1st Edition of
Knowing and Teaching Elementary Mathematics: Teachers' Understanding of Fundamental Mathematics in China and the United States
Hardcover, 192 pages
ISBN10: 0805829083
ISBN13: 9780805829082
Published by: Routledge, May 01, 1999
Book Store  New  Used  Rent 
 $63.84

From: $4.40  
Paperback, 192 pages
ISBN10: 0805829091
ISBN13: 9780805829099
Published by: Routledge, May 03, 1999
Book Store  New  Used  Rent 
 $2.95

From: $2.00  
Saving advice
Hardcover
 Used 2nd edition can save you $99.41 over the new one.

Used previous 1st edition costs $45.28 less than the used 2nd.
Paperback
 The new 2nd edition costs $13.76 more then used book.
 1st edition is $13.34 cheaper then the 2nd edition.