Principles of Music Theory: A Practical Guide, second edition.

Grounded Theory: A Practical Guide for Management, Business and Market Researchers.

Craft of the Wise: A Practical Guide to Paganism & Witchcraft.

The Threesome Handbook: A Practical Guide to sleeping with three.

Fantasy: A Practical Guide to Escapism, 1984.

Colorado: A Practical Guide to its Government and Politics.

Communication Skills in Practice: A Practical Guide for Health Professionals.

Corporate Planning - A Practical Guide.

Using Computers in Archaeology: A Practical Guide.

A Home for the Heart: A Practical Guide to Intimate and Social relationships, 1998.