What were the names of all 11 books that Shel silverstien wrote?

Shel Silverstein wrote many more than 11 books! Here are just a few of his most popular titles:

* Where the Sidewalk Ends (1974)

* A Light in the Attic (1981)

* The Giving Tree (1964)

* Lafcadio: The Lion Who Shot Back (1969)

* Falling Up (1996)

* Runny Babbit (1976)

* The Missing Piece Meets the Big O (1976)

* A Giraffe and a Half (1995)

* Sick (1998)

* Every Thing On It (2000)

* The Giving Tree: The 50th Anniversary Edition (2014)

This is not an exhaustive list, as Silverstein wrote numerous other books, poems, songs, and scripts throughout his career.