Who wrote the original Braveheart book?

There is no original "Braveheart" book. The movie "Braveheart" is based on the life of William Wallace, a Scottish warrior who led a rebellion against English rule in the late 13th century.

While there are historical accounts of William Wallace, there is no single book that the film "Braveheart" is directly adapted from. The screenplay for the movie was written by Randall Wallace, who drew inspiration from historical accounts and various sources about William Wallace's life.

Here are some books that you might be interested in that discuss William Wallace:

* The Scottish War of Independence by Michael Penman

* Wallace: The Life of a Legend by David Ross

* Braveheart: The True Story of the Scottish Rebellion by Fiona Watson

These books offer more accurate and historically grounded perspectives on William Wallace's life and the Scottish Wars of Independence.