The following are some good books regarding dart frogs and their husbandry.

• Amphibians in Captivity By Marc Staniszewski & John Coborn

• Breeding Poison Dart Frogs Amphibians Quarterly by Jack Wattly & William Samples

• Eat This Bug - A Guide to Invertebrate Live Food for Reptiles & Amphibians  by Lynn Davis

• Encyclopedia of Terrarium by Eugene Bruins

• Jewels of the Rainforest by Jerry Walls

• Poison-Arrow Frogs Their Natural History and Care in Captivity by Ralf Heselhaus

• Reptiles and Amphibians : Care, Behavior, Reproduction by Elke Zimmerman

• Understanding Reptile Parasites: A Basic Manual for Herpetoculturists & Veterinarians by Roger Klingenberg D.V.M.

• The House Plant Expert by D. G. Hessayon

For a good list of other publications see; The Dendrobatid Frog Page: http://www.theramp.net/frognet/