This text is a compilation of step-by-step instructions for how to build nine different types of catapults and trebuchets. Each set of instructions includes dim

Whether playing at defending their own castle or simply chucking pumpkins over a fence, wannabe marauders and tinkerers will become fast acquainted with Ludgar,

39 teacher-tested, child-approved play-based adventures that are packed with endless learning opportunities.

A Major Contribution to the History of Technology and Ancient Warfare The most recognized military device of ancient times and the source of continued fascinati

An " enormously entertaining" (Smithsonian), " clever, subtle, and adroit" account (Wall Street Journal) of how the author and his friend constructed a medieval