Maths Puzzles & Teasers - 9 Books (gnv64) torrent

This torrent contains 9 interesting books of maths puzzles and teasers.
Though I have not scanned them, I have converted them from DJVU to PDF, OCRed them.
All books are zipped into a single RAR file.

Details are as under:

1. Mathematical Excursions - Helen A.Merrill (8.84mb)
2. Mathematical Fun, Games & Puzzles - Jack Frohlichstein (19mb)
3. Mathematical Puzzles for Beginners & Enthusiasts - Geoffrey Mott-Smith (16.8mb)
4. Mathematics in Fun & in Earnest - Nathan A.Court (14mb)
5. My Best Puzzles in Mathematics - Hubert Phillips (7.45mb)
6. The Surprise Attack in Mathematical Problems - L.A.Graham (11.6mb)
7. Odd Angles 33 Mathematical Entertainments - Charles F.Linn (3.88mb)
8. Mathematical Teasers - Julio A.Mira (4.18mb)
9. Number Play - Gyles Brandreth (2.99mb)