This detail-packed book, completely updated for Leopard, makes file sharing easy, whether it’s between two Macs on a local network, among a mixed-platform office workgroup, or between far-flung computers on the Internet. You’ll get help with selecting and configuring the right hardware and software for your needs and budget, learn about the pros and cons of different file-sharing options, get specific steps for setting up each major option (with special instructions to help you avoid problems and security risks), and learn how to connect to file servers from a variety of major operating systems.
A 90-page PDF book.
He reviews Leopard’s sharing functionalities in TidBITS. Folder sharing is back with Leopard.
(Via Daring Fireball.)