While the physical books are prized for their heavy stock and high-quality photography, enthusiasts often search for digital versions or exclusive snippets.

The original print runs were limited. Once the books sold out, they did not go back to press. A used set in good condition now rivals the price of a good used car. For a student luthier working in a garage, dropping $800 on two books is impossible.

Somogyi emphasizes the importance of careful acoustic design and construction techniques. He advocates for a deep understanding of the physics of sound production in guitars and applies this knowledge to optimize the instrument's body shape, bracing patterns, and materials.