Start with high-confidence living with ocd books, then narrow by subgenre or adjacent topics.
Brain Lock, Twentieth Anniversary Edition
Jeffrey M. Schwartz
Because We Are Bad
Lily Bailey
Everything Is an Emergency
Jason Adam Katzenstein
Breaking Free of Child Anxiety and OCD
Lebowitz, Eli R. Lebowitz
The Secret Lives of Hoarders
Matt Paxton, Phaedra Hise
Freedom From Obsessive Compulsive Disorder
Jonathan Grayson
Too Perfect
Allan Mallinger, Jeannette Dewyze
Stuff
Gail Steketee, Randy Frost
Stop Obsessing!
Edna B. Foa, Reid Wilson
Freeing Your Child From Obsessive-compulsive Disorder, Revised and Updated Edition
Tamar E. Chansky, Ph.D.
The OCD Workbook
Bruce M. Hyman PhD LCSW, Cherlene Pedrick RN
When a Family Member Has OCD
Jon Hershfield MFT, Jeff Bell
Pure O OCD
Chad LeJeune PhD, Chad Lejeune
Thriving in Relationships When You Have OCD
Amy Mariaskin PhD, Kimberley Quinlan LMFT
The Intrusive Thoughts Toolkit
Jon Hershfield MFT, Tom Corboy MFT
Needing to Know for Sure
Martin N. Seif PhD, Sally M. Winston PsyD
Stuff That's Loud
Ben Sedley PhD, Lisa W. Coyne PhD
Rewire Your OCD Brain
Catherine M. Pittman PhD, William H. Youngs PhD