I wouldn't say 1 piece bodies are better than two or three piece bodies. If any thing you might have more chance of cupping with a one piece. Looks might be a factor if you are using a trans finish. Bookmatching either body wood or top wood or body wings is to mirror the grain or make it look like you opened the wood like you would a book.
There's a guy that used to run a Dear abby type column for wood manufacturers that I used to read. His big rule was nothing over 3" ( except for veneer over a substrate ) every time I break it guess what ... see previous post
The reason I was asking this question was because the Epiphone Elitist line specs booked matched mahogony on the SG and LP models. I don't see this spec on the USA Gibsons and was wondering how they differ?
Not sure about the Gibson models but when they are offering booked matched if you really read the ad ... there are two types wood. One for the front and a different for that back. These are thin pieces of wood glued on to some thing else.
Spend some time in the Luthiers section of this forum and you will get a better understanding of how things are constructed.
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