It's been a good book month for interface geeks and IXD/UX people. Congrats to AP on the new book and kudos especially to upstart publisher Rosenfeld for the innovative stuff they are doing, including user testing of their 500-page, large font digital versions. Rock on, you madcap publishers you. You're gonna make it big working like that. All of these are worth buying (plus extra to give to clients): Web Form Design: Filling in the Blanks by Luke Wroblewski Mental Models: Aligning Design Strategy with Human Behavior by Indi Young Subject To Change: Creating Great Products & Services for an Uncertain World: Adaptive Path on Design by Peter Merholz, Todd Wilkens, Brandon Schauer, David Verba