David Sparks is a legend among men. In addition to being an attorney, half of Mac Power Users and blogger, he has written several great ebooks.

His most recent — released last night — is a beast. At 300 pages with nearly 1.5 hours of video screencasts and 200 screenshots, the book covers the world of email. Chapters include:

• The Email Problem
• Tactical Email
• Fighting Spam
• Archiving and Storing Email

...and more. The book is $9.99 and can be purchased on the iBook Store or as a PDF.