Acrostic puzzles are humorous or interesting quotations mapped onto a rectangular grid.
All the letters of the quote are scrambled and reformed into a series of words, phrases, etc., that are in turn defined. The acrostic is solved by guessing the definitions and transcribing the letters onto the quotation grid. As parts of the quotation become clear, they can be completed and those letters transcribed to the definitions. Working back and forth in this manner soon reveals the entire quotation. And the initial letters of the definition answers spell out the quotation's author and source.