All about registers, sizes, tuning options, matching the box to the musical style, how to tell them apart, about prices and repairs, sources for further information. Including keyboard diagrams, how to evaluate a used accordion, how to ship, how to adjust the straps, how to tune up the band. As far as we know this is the only book of its kind in print.
Links below are to the hypertext documents which served as the core of the original edition.
These chapters have been updated, added to, and greatly expanded upon in the book.