Dagonell on Goose -- A concise description, plus an outline for a live-action version to play with kids. (more)
Is it Period? -- A FAQ put together by Dagonell, listing a lot of games that people often think are period, with a paragraph on whether each one actually is. (more)
Dagonell's Medieval Games -- A collection of brief articles describing a wide variety of period games. Stronger on active games than most sites. (more)