Heads Up

First Edition Apr 2003 Little, Brown ISBN13 9780316164979 ISBN10 0316164976

Apr 2001 Little, Brown ISBN13 9780316135047 ISBN10 0316135046

Apr 2003 Perfection Learning ISBN13 9780756939045 ISBN10 0756939046

Apr 2003 Turtleback Books ISBN13 9780613717458 ISBN10 0613717457

Apr 2003 Turtleback Books ISBN13 9780606278133 ISBN10 0606278133

Jan 2008 Paw Prints ISBN13 9781435247550 ISBN10 1435247558

Dec 2009 Little, Brown ISBN13 9780316094320 ISBN10 0316094323

Dec 2009 Little, Brown ISBN10 B002ZDJZLA