Detours Toocan utility pannier

I've used this pannier to carry groceries, books, my laptop, clothing, anything. I like it because it's stylish (but also "normal" looking at the same time), stands up on its own, is extremely durable, and has the most universal attachment system: two hooks.

ABUS Bordo folding lock

These folding locks are lighter weight and more versatile than an equally strong u-lock.

Schwalbe Marathon Plus tires

So far I haven't had a flat with this tire. I've used Continental Gatorskin and Panaracer T-Serv, both of which have had flats (same Chicago streets). The Gatorskin has less tread than both, and wears to a slick surface faster.

The High Cost of Free Parking by Donald C. Shoup

Transit Maps of the World by Mark Ovenden, Mike Ashworth

Joyride: Pedaling Toward A Healthier Planet by Mia Birk, With Joe (Metal Cowboy) Kurmaskie, Joe Kurmaskie, Jim Moore

I met Mia Birk in October 2011.

Making Maps: A Visual Guide to Map Design for GIS by John Krygier PhD, Denis Wood PhD

If you are going to make a map, whether it be hand drawn or digital, you should really give this book a read. Then read it every time you make a map. It will help make sure your maps are laid out sensibly, in a way that others can easily read, and that it doesn't include fluff or unnecessary data.

The Death and Life of Great American Cities (50th Anniversary Edition) (Modern Library) by Jane Jacobs