David Sparks and Brett Terpstra launched 60 Mac Tips, Volume 2 on Tuesday. Part of the MacSparky Field Guide series, the new project offers more tips built on the release of Volume 1. They’ve released the book on iBooks with 60 screencasts and two hours of video, or you can get a video-only version on Vimeo. The video below includes an introduction and some free tip excerpts from the book. Subjects include: Siri for the Mac, using the keyboard, Spotlight, Automator, Safari, Mail, Apple Notes, Apple Photos, Terminal Tips, and third-party apps. It’s $19.99 on iBooks, and is available today. The Vimeo version can be purchased through the MacSparky site.