O. Henry Selections by Jim Swain

Richard's Almanac by Richard Kaufman
The Collected Almanac (Winter 1985)
Page 384 et seq.

Personal Comment: I suck at doing half passes, but if you don't this might be for you. The effect is clear and the ending provides a nice kicker. Here is a little tip, don't do the routine with brand new cards as I did. It becomes very difficult doing so.

Difficulty: 3/5