14 books
Correction of Echoes and Reverberation in the Auditorium, University of Illinois (Classic Reprint)
Acoustics of Auditoriums (Classic Reprint)
Sound-Proof Partitions
The AEneid For Grammar School
Maths with Ben
Logo and Mathematics
Mathematics and the Micro
Exploring Graph Theory
School Calculator Working Party Popular Calculator Book
Using Calculator Games and Puzzles to Improve Mathematical Skills
BACpac
Some Suggestions for the Teaching of Sixth Form Mathematics with a Computer
Simple Introduction to Simulation
Exploring Numbers