We are using this book for a men's small group bible study. It is a very good resource to stimulate conversation and to review what we believe versus other religions. I believe this book is a good resource for seekers as well as for Christians who are looking to improve their witnessing abilities. My only negative comment is that some of the questions require long and sometimes vague answers.
Love the lay out of the material and full of thought provoking questions. The scripture verses at the end are wonderful to reinforce Biblical answers to questions. Only thing I miss is a comparative chart of various religions in the book. I found a chart on the internet and made copies for all class participants.