I can't say enough good things about Innovative Piano. It's an ABA style of piano lessons geared toward autism, but I think it's a great way to learn piano for anyone. It was perfect for my son.
Martha - Potomac, Maryland
The Young Method
Piano Instruction Series
Finally Reach Your Student
Offering over 17 eBooks this ABA inspired piano curriculum is a great way to start your student's piano education. Learn how errorless teaching and positive reinforcement can turn your lessons around.