Doctor Who

Antidote to Oblivion

2014

Invasion of the Ormazoids

1986

Doctor Who

The Creed of the Kromon

2004

The Zen Path Through Depression

1999

Doctor Who

Vengeance on Varos

1988

The Writer's Guide to Fantasy Literature

2002

The Purpose of Fantasy

A Reader's Guide to Twelve Selected Books with Good Values and Spiritual Depth

2013

Doctor Who

Mission to Magnus

1990

Doctor Who

Mindwarp

1989

Sil and the Devil Seeds of Arodor

A Doctor Who Spin Off

2019

How To Write Your Best Story

Advice for Writers on Spinning an Enchanting Tale

2011

The New Writer's Handbook

Vol. 2

2008

A Guide to Fantasy Literature

Thoughts on Stories of Wonder and Enchantment

2009