Customer rank: +1"Ognib" is "Bingo" in reverse, is a method also known under the name "Magic Matrix" (see Martin Gardner).
A complete script, handling, and a spreadsheet calculator. Handlings included for stage, parlor and impromptu.
The magician shows a handful of printed numeric grids. The magician then has 4 spectators decide on one of the grids. Using the chosen grid, they then pick 4 numbers from the grid. The 4 numbers that were chosen - when added together - totals up to the previously predicted total.
Any number can be forced!
Well, the author of How To Write A Script shows how he used his methodology to write 3 different scripts that successfully explains and entertains with the OGNIB principle. Including some impromptu methods.
1st edition 2018, 48 pages.