Try this method for securing joints without buying an expensive jig.
Wood Connections: Pocket Hole Joinery in a Nutshell
wolfcraft Jig Set for Pocket-Hole Joinery Torx 4642100
Pocket Hole Joinery: An Initial Foray
Pocket-hole joinery is one of the easiest ways to build wood
Pocket-Hole Joinery
Kreg Pocket Hole Jig 320 Review - Don't Buy Until You See This
The Basics of Pocket Hole Joinery
wolfcraft Jig Set for Pocket-Hole Joinery Torx 4642100
AW Extra 7/5/12 - Tips for Building Cabinets with Pocket-Hole
Pocket Hole Joinery, the Beginning Woodworker's Best Friend
Pocket Hole Joinery - Here's How I Do It - Complete Guide With Pics
Generic Hole Locator Jig DIY Kit System Pocket Hole Locator for
Is there a strength advantage to pocket hole screws for a butt
Pocket Hole Joinery - Here's How I Do It - Complete Guide With Pics