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May 1996 - June 1998, Tata McGraw Hill, New Delhi, India
Co-authored (with Jaya Narasimhan) and illustrated a series of three Mathematics textbooks for middle school published by a division of McGraw Hill. (ISBN 0-07-463294-9, 0-07-463295-7, 0-07-463297-3). The series has been acclaimed for its use of cartoons and puzzles.