Spellbound A Codex of Ritual Magic d20 Living Imagination 2003

Spellboundpresents a complete system of ritual magic suitable for any campaign setting, including:

Over 160 fully detailed rituals, ranging from simple to epic
An entirely new form of power to be wielded by any arcane or divine casters
Ritual skills, feats, magic items, and prestige classes
A complete system of magic suitable for any campaign setting