In 1997, fashion photographer Arthur Elgort published Camera Ready: How to Shoot Your Kids, an awesome and inspiring collection of eleven years' worth of his best photos of his own kids, combined with wise, useful, not overly technical advice.
But when I looked for it a little while ago, and couldn't find a copy for under $275, I was stunned. Until I saw that Scott Schuman aka, The Sartorialist, had featured Camera Ready as one of his key influences in the run-up to Fashion Week. I expect it'll take a while for all those fashionistas' saved eBay searches to clear.
Buy Camera Ready: How to Shoot Your Kids, starting at $275, yow [amazon]