Though small, this pamplet book covers many topics ranging from Aquascaping to Substrates. Partial Listing of contents: Aquascaping, Aquarium Selection, Lighting, Water Quality, Substrate, Filtration, Plants, Planting and Grouping Ideas, How to Select Healthy Plants, Planting and more! A good addtion for your Planted Aquarium References - an excellent choice as a gift for your Aquarium Plant customers.