The Doubt Illusion: A Compact Guide to Overcome OCD with Inference-Based Cognitive Behavioral Therapy (Paperback or Softback)

What if your doubts were never real to begin with?

The Doubt Illusion reveals the secret behind obsessive and overthinking loops — not as evidence of danger or moral failure, but as tricks of the mind.

Drawing from Inference-Based Cognitive Behavioral Therapy (ICBT), Dr. Frederick Aardema shows how obsessional doubt is built — and how easily it collapses once you see through the illusion.

Through vivid metaphors, sharp clarity, and gentle humor, Aardema guides you beyond the usual advice to “tolerate uncertainty.” Instead, you’ll learn to see through the illusion itself — the mental sleight-of-hand that turns imagination into “proof,” feelings into “facts,” and possibility into “urgency.”

Written as a compact and highly accessible guide, The Doubt Illusion distills decades of clinical research into clear, intuitive language. It is designed as an introductory entry point to I-CBT and is suitable not only for individuals struggling with obsessive doubt, but also for family members, caregivers, and teenagers seeking to better understand how these doubts arise and why they feel so convincing.

This compact guide distills decades of research into clear language for anyone who finds themselves trapped in “What if?” spirals — whether or not you’ve ever been diagnosed with OCD. You’ll discover:

• How the mind constructs false relevance and fake urgency.
• Why reassurance never satisfies.
• The five doorways for stepping out of the mind’s illusions.
• A path back to original experience — life as it really is, not as doubt imagines it.

You don’t need to argue with doubt, tolerate endless uncertainty, or rehearse coping strategies. You only need to see the illusion for what it is — and stop mistaking it for reality.

About the Author
Frederick Aardema, PhD, is a clinical psychologist, researcher, and professor at the University of Montreal. He is co-creator of Inference-Based Cognitive Behavioral Therapy (ICBT) and author of several books on OCD, including the acclaimed Resolving OCD series, which has given hope and clarity to readers worldwide. When he’s not writing or teaching, Frederick enjoys time with his family, gardening, and cooking — ordinary joys that remind him daily of the freedom beyond doubt.