Using the proven methods he developed to overcome dyslexia, Ron Davis adapts those techniques to help sufferers triumph over a variety of common learning disabilities, including:•Attention Deficit Disorder (ADD)•ADHD (the hyperactive...
Price history
▼-23.09%
Jan 30, 2023
€9.32
▼-7.15%
Jan 24, 2022
€12.12
▲7.7%
Dec 13, 2021
€13.06
Dec 10, 2021
€12.12