 Lawrence Schick, head of design and development of TSR, brought Moldvay on board during a time of substantial growth at TSR; at the time Moldvay was a new sort of employee at TSR, as he was a player who had enjoyed "Dungeons & Dragons" before he came to the company.With "Advanced Dungeons & Dragons" now complete, Moldvay wrote a second edition of the "Dungeons & Dragons Basic Set" (1980).As an employee of TSR, Moldvay authored or co-authored landmark D&D adventure modules such as "Castle Amber", "Isle of Dread", the rewrite of "Palace of the Silver Princess", and "Secret of the Slavers Stockade", all published in 1981.