Why people recommend it
Who recommended it
Other mentions (2: passing, ad reads, own books)
Own book
“Look at the physics answer book. Wow. Chuck, you wrote that really quick, man. You work you you work fast, brother.”
Own book
“the first one of the series was the handy astronomy answer book that I wrote and then the second one was the handy physics answer book and this one is focusing in on quantum physics”