DigiBookShelf Professional. The most popular version of this product among our users is 10.1. The name of the program executable file is DIGIBOOK.EXE. Works with gcd, abm, cpt, gal, gcv, gll and gpt file types. The product will soon be reviewed by our informers.You can check ICE Book Reader Professional, Flip PDF Professional, A&I Book Creator and other related programs like Pilot Song Book Creator at the "download" section.