Harold Johnson

World book of Ansalon

1992

Vortex of Madness & Other Planar Perils (Advanced Dungeons & Dragons Accessory)

2000

Vanda Miss Joaquim

2008

Two Families

2007

The Complete Book of Metal Working

1982

The cast stone

2011

Success or Access

2017

Secret of the Slavers Stockade

1981

Secret of the Slavers Stockade (Advanced Dungeons & Dragons module A2)

1981

Real Dandies

2022

Ravenloft

2005

Player Character Record Sheets (Advanced Dungeons & Dragons accessory REF2)

1986

Notes from along the Way

2016

Indiana Jones Judge's Survival Pack

1985

Hidden Shrine of Tamoachan (Advanced Dungeons and Dragons Module C1)

1980

Guide to Marvel Earth

1998

Dragons of Hope (Dragonlance module DL3)

1984

Dragonlance Classics Volume 1

1990