It is late and I want to get to bed so I have not read all of the suggestions so please forgive me if I am (accidentally) repeating what someone else already said.
I would suggest she start on something smaller such as placemats or a table runner. They are far less overwhelming and provide quicker gratification than a lap or bed quilt. I think rail fence goes quickly and is also easy to quilt and makes great placemats. You are an angel to share your knowledge and skills.