Hi Fabio, The tapes were released by IGS (International Gaming Specialists) and sold in the magic world by Steven's.
The titles are simply "STEVE FORTE'S GAMBLING PROTECTION SERIES" Volumes 1,2,3,4.
Tape 1, all sleight o hand with cards eg: false shuffles, stacking, hops and shifts,gambler's false cuts, the 'interlace', crimps.
Tape 2, cards & extras eg: marked cards, peeking, second dealing, bottom dealing, shiners, belly strippers.
Tape 3, advantage play eg: holding out, specialized moves for: poker, blackjack, gin and bridge, mucking, switching decks.
Tape 4, dice: crooked dice and how to detect them, dice switches, controlled dice shots, cheating with the dice cup, specialized moves for craps & backgammon, Liars dice and other games.
Above discriptions are from each box and each end by adding as the last element "protection tips and much more..."
Each tape is the bomb!