The Art of X2: Everything You and Your Child Need to Know about Sports, Physical Activity, and Good Health -- A Doctor's Guide for Pa

The Art of X2: Everything You and Your Child Need to Know about Sports, Physical Activity, and Good Health -- A Doctor's Guide for Pa

The Art of X2: Everything You and Your Child Need to Know about Sports, Physical Activity, and Good Health -- A Doctor's Guide for Pa

by: Timothy Shaner, Bryan Singer

by: Timothy Shaner, Bryan Singer

The Art of X2: Everything You and Your Child Need to Know about Sports, Physical Activity, and Good Health -- A Doctor's Guide for Pa

The Art of X2: Everything You and Your Child Need to Know about Sports, Physical Activity, and Good Health -- A Doctor's Guide for Pa

by: Timothy Shaner, Bryan Singer

by: Timothy Shaner, Bryan Singer

Authors

Timothy Shaner

Timothy Shaner

Bryan Singer

Bryan Singer