Book Recommendations

For anyone struggling with OCD try:

Obsessive Compulsive Disorder: A Complete Guide To Getting Well and Staying Well by Fred Penzel

For anyone struggling with Obsessive Bad Thoughts try:
The Imp of the Mind: Exploring the silent epidemic of obsessive bad thoughts by Lee Baer

For a parent who has a child who struggles with OCD try:

Freeing Your Child From Obsessive Compulsive Disorder by Dr. Tamar E. Chansky

For a child who struggles with OCD try:
Up and Down the Worry Hill: A Children's Book about OCD and its Treatment by Aureen Pinto Wagner, Ph.D.

What to do when your brain gets stuck; A kid's guide to overcoming OCD by Dawn Huebner & Bonnie Matthews

For a teen who struggles with OCD try:

Stuff That's Loud: A Teen's Guide to Unspiraling When OCD Gets Noisy by Ben Sedley, Ph.D. & Lisa Coyne, Ph.D.

The OCD Workbook for Teens by Jon Hershfield

For anyone who has a friend/family member who struggles with OCD try:

Loving Someone with OCD by Karen J. Landsman, Kathleen M. Rupertus, and Cherry Pedrick 

When A Family Member Has OCD by Jon Hershfield, MFT

For anyone who struggles with Body Dysmorphic Disorder try:

The Broken Mirror: Understanding and Treating Body Dysmorphic Disorder by Katharine A. Phillips, M.D.

Face to Face With Body Dysmorphic Disorder Psychotherapy and Clinical Insights by Arie M. Winograd

For anyone who struggles with Trichotillomania try:

The Hair-Pulling Problem: A Complete Guide to Trichotillomania by Fred Penzel

For anyone who struggles with bad "habits" try:

The Habit Change Workbook: How to break bad habits and form good ones by James Claiborn and Cherry Pedrick

For anyone who wants better habits try:
The Power of Habit: Why we do what we do in life and business by Charles Duhigg

For anyone who struggles with hoarding try:

Buried in Treasures by David F. Tolin

For anyone who who struggles with Social Anxiety try:

The Shyness and Social Anxiety Workbook by Martin M. Antony PhD & Richard P. Swinson, MD