San Francisco Kaleidoscope - written by Samuel Dickson (1949).
I bought this book at a Goodwill for purely aesthetic reasons (it's an awesome cover!) - it turns out that it's a signed edition. I have no idea whether it's worth anything & I haven't looked into it... but. Just thought I'd share that fact.
What Can I Do Today?: Over 100 Projects for Boys Age 6 to 12 - projects designed by Linda Nicol & David Clark (Design Group) Ltd., color illustrations by Brian Edwards (1973).
You know, if you're a girl you can probably attempt these too. Ha.