For the month of May, we'll be exploring the ancient technique of marbling.
Pro Chemical & Dye also has marbling supplies here. They have a "Mini Marbling Kit" as well.
Creative Marbling on Fabric by Judy Simmons (1999, Paperback): A Guide to Making One-Of-A-Kind Fabrics
Marbling on Fabric by Anne Chambers (1995, Paperback)
Marbling by Diane Vogel Maurer, Paul Maurer (1994, Paperback): A Complete Guide to Creating Beautiful Patterned Papers and Fabrics
The Silk Painting Workshop by Jane Venables (1999, Paperback): Painting, Marbling and Batik for Beginners