What can you do when your grandchild is stuck on a Chemistry problem and you are far away? My very brilliant grandchild does get stuck from time to time. This is her first year to take chemistry and once in awhile she does get stuck on a problem. My response is to order a copy of the Chemistry Problem Solvers and have it shipped directly to her. She has already benefited from using this book. We have learned that when she has spent an entire weekend trying to solve a problem for which she has no preparation in the class, this approach is like a visiting tutor.We have a number of the Problem Solver series and have passed them on to our granddaughter. As she takes new courses, we give her the next book or order it for her.