What kind of book is dangerous enough to be considered burnable?

Book Dealer: Antiquarian & Rare
Modern Signed First Editions and other Fine Books.
Book Dealer: Antiquarian & Rare
(954) 536-1329
Americana, Social History, Art, Women. Available for public speaking. www. (more)
Book Dealer: Antiquarian & Rare
(250) 656-8805
Shop open every day, regular hours or by appointment. Antiquarian books, rare books (more)
Book Dealer: Book Arts
(510) 525-2420
We deal in Art, Architecture, Music, Dance & Photography books & specialize (more)