is the book adapted into anything else?
Yes,  stage production, motion picture
The Hobbit
The first authorized adaptation of "The Hobbit" appeared in March 1953, a stage production by St. Margaret's School, Edinburgh. "The Hobbit" has since been adapted for other media many times.

The first motion picture adaptation of "The Hobbit", a 12-minute film of cartoon stills, was commissioned from Gene Deitch by William L. Snyder in 1966, as related by Deitch himself
who played gandolf in the lord of the rings UNANSWERABLE where did the name come from? Tolkien derived the name "Gandalf" from "Gandálfr".  In Old Norse, the name means "staff-elf". who is he? Gandalf is a protagonist in "The Hobbit" and "The Lord of the Rings". He is a wizard, one of the "Istari" order, and the leader and mentor of the Fellowship of the Ring. can you describe the character? Tolkien once described Gandalf as an angel incarnate; later, both he and other scholars have likened Gandalf to the Norse god Odin in his "Wanderer" guise. Others have described Gandalf as a guide-figure who assists the protagonist what kind of a work is the hobbit? It is a children's fantasy novel who is the author? J. R. R. Tolkien
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The Hobbit [SEP] Adaptations
and/or... films based on "The Hobbit"." In September 2009, he and New Line reached an undisclosed settlement, and he has withdrawn his legal objection to "The Hobbit" films. The BBC Radio 4 series "The Hobbit" radio drama was an adaptation by Michael Kilgarriff, broadcast in eight parts (four hours in total) from September to November 1968. It starred Anthony Jackson as narrator, Paul Daneman as Bilbo and Heron Carvic as Gandalf. The series was released on audio cassette in 1988 and on CD in 1997.