Hooray for Diffendoofer Day! (1998) (edit title/settings)

Shelfari edited the contributors of Hooray for Diffendoofer Day! Thursday, January 5, 2012.

• Added a contributor: Dr. Seuss: (Primary Author)

Shelfari edited the contributors of Hooray for Diffendoofer Day! Sunday, November 27, 2011.

Shelfari edited the contributors of Hooray for Diffendoofer Day! Thursday, March 3, 2011.

Blue Cypress Books edited the contributors of Hooray for Diffendoofer Day! Thursday, February 3, 2011.

• Added a contributor: Jack Prelutsky: (Author)
• Added a contributor: Lane Smith: (Illustrator)

Shelfari edited the contributors of Hooray for Diffendoofer Day! Tuesday, May 4, 2010.

• Edited a contributor: Theodor "Dr. Seuss" GeiselDr. Seuss: (Primary Author)

Shelfari edited the contributors of Hooray for Diffendoofer Day! Friday, April 9, 2010.

Shelfari edited the contributors of Hooray for Diffendoofer Day! Monday, July 27, 2009.

• Added a contributor: Theodor "Dr. Seuss" Geisel: (Primary Author)