There are 40 different pages of different species of dog to help seniors with alzheimer's disease or dementia. Perhaps trigger a memory of an encounter with a dog or bring about happy memories with a pet the person may have had in the past. In order to not cause stress to the reader, this book does not mention or contain anything to do with alzheimer's disease or dementia. Featuring: . A colorful, glossy cover . 40 pictures of dogs . 8X10 size