Tuck Everlasting, by Natalie Babbit, ISBN #0-590-98886-7

The Tuck family drinks from a magic spring and receive eternal life. This beautifully written book deal with protecting the secret of the magic spring because what would the discovery of it do to the world order. This book is complicated by Winnie who accidentally comes across the secret of the Tuck family. To makes matters worse there is another complication that makes for great drama.