Things that fit nowhere else are here.

To Teach, First Watch

All children are natural scientists. Those under three seldom play. Watch them. They are trying to deduce how the world works. Do not try to tell them anything; just help them build their own model of the world.

The ZweiBieren Puzzle Collection

When a daughter asked for my puzzle collection, I cataloged it first.

Write-A-Story

Speculation about how to build a really, truly cool toy.