Books like Foundation Maths
Tony Croft
Foundation Maths is 523 pages, about 9 hours 35 minutes at 250 words a minute.
8 books to read next
How long each takes
Mathematics with Applications 14.1 h 
The Mathematical Olympiad Handbook 4.2 h 
A Survey of Mathematics with Applications 14.1 h 
College Algebra 16.2 h 
Basic Math & Pre-Algebra for Dummies 7.0 h 
Mathematical Discovery 4.0 h Professor Povey's Perplexing Problems 6.9 h 
Saxon Math 11.1 h Bar height shows length. Estimated at 250 words a minute.