Format: Deluxe box set of 4 hardcover books; A5 (Digest) size; deluxe quality sewn bindings; endpapers printed with quick reference info.Authors: Gavin Norman. Cover artist: Peter Mullen. Old-School Essentials Advanced Fantasy is a "best of" old-school gaming: a complete retelling of the classic 1980s Basic/Expert game expanded with reams of extras inspired by the 1970s Advanced 1st Edition rules.The Classic Game Set + the Advanced Expansion Set contain the same game as the Advanced Fantasy Player’s + Referee’s Tomes, just presented in a 9 book pair of box sets for those who share our love of RPG box sets!