It was written in a different era where publishers weren't inflating page counts for sales.
Still, Scheme does try to address a lot of higher level things, e.g. the full numeric tower, whereas C shines as a universal very close to the metal assembler.
Of all the C++ books, there was a C++ in 10 minutes from SAMS that was small, dense packed, and informative. It was really weird coming from them.