Quote:Answer: I believe the volume was never published. If you look on the rear dust jacket of volume 9 ( which was published many years after the rest of the set ) all the previous volumes are described, except volume 4.
12 Skywatcher Collapsible Dobsonian (coming soon, two more days, be here Tuesday)
Celestron C102 HD " Carl"
Scope brand 60mmx 700mm " widger scope"
Celestron Comet catcher(orange tube)"Scott"
60mm Telescope Club