Call the Alzhiemer's Association at 800-548-2111 and ask to be put on their mailing list. If the person wanders at all, inquire about getting an ID bracelet. You should also take a recent picture of the person and notify the Shrewsbury Police if you are worried the person may get out accidentally.
The 36-Hour Day
Buy the book "The-36 Hour Day" by Nancy L. Mace, M.A., and Peter V. Rabins, MD, published by Warner Books. You should be able to buy this at any book store for well under $20. It is one of the best resources for helping you cope with whatever problems the disease may throw your way, large or small.