Projects from those books and several Instructables (like the Nomad Desk) inspired me to make a new desk that easily folds and collapses for flat travel.
All materials were acquired for roughly $100 from a local hardware store, making this an effectively inexpensive project
Step 1: Call Forth the Tool Army
Handheld Circular Saw
Concrete Floor/Random 2x4s and 4x4s
Home-made plumb bob (thread and weight)