1. A secure multi-page booklet, comprising: a plurality of pages secured together along a spine; a security feature printed on two of the pages and extending across the spine, the security feature including a non-transparent pre-print portion and a non-transparent variable print portion; the pre-print portion is disposed entirely on one of the two pages and does not extend across the spine; the variable print portion is disposed on each of the two pages and extends across the spine; the pre-print portion is formed by a first type of printing, and the variable print portion is formed by a second type of printing; the first type of printing is visually discernible from the second type of printing; and the pre-print portion and the variable print portion are designed to align with each other and are configured such that misalignment between the pre-print portion and the variable print portion is visually discernible.