SELF-WRAPPERS / SELF-WRAPS
A booklet or pamphlet is said to have self-wrappers, or self-wraps, if the first and last leaves of its signatures are used as the wrappers and no additional, outer wrapper is used.
The first example image shows two copies of the same keepsake printed by Clifford Burke at Cranium Press, San Francisco. The left-hand copy consists of the text block in self-wrappers. In the right-hand copy, the same text block has been bound with a flyleaf and card covers. The second example image shows a publisher's keepsake by Christopher Morley, the left-hand copy bound in stiff wrappers and the right-hand copy being the same text block in self-wrappers.