I bought a dehydrator that was practically brand new at a yard sale, but it did not have manual with it, so I just Google things that I am interested in dehydrating. I have done a lot of apples and bananas. Last summer we had a lot of tomatoes, so I dried them--they are wonderful. Just slice small pieces and you can use your own judgement on most things as to how much time it takes. I would like to try cranberries next.