What is the biggest book?

The world's largest book is actually set in stone.

It is located in the grounds of the Kuthodaw pagoda in Mandalay, Myanmar (Burma).

It has 730 leaves and 1460 pages. Each page is three and a half feet wide, five feet tall and five inches thick. Each stone has 80 to 100 lines of inscription on each side which were chiseled out and initially filled with gold.

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