Book of Lost Lore, hardback supplement for Adventures Dark and Deep and AD&D 1st edition, by Joseph Bloch
“New options to expand your old-school roleplaying game!
This book contains new playable races, new character classes, new magic, alternate combat and treasure systems, and much more for GMs and players alike. You’ll find classes including the musical bard, merry jester, studious savant, and villainous blackguard. scores of new spells and magic items, and much more.
Written for the First Edition of the world’s most popular RPG, this book will also be useful to anyone running a game using old-school rules.”