1. Guide to Sexology-Compiled by the Editors of Sexology Magazine.

2. A Marriage Manual-by Dr. Hannah M.Stone, MD; & Dr. Abraham Stone, MD;

3. 101 Questions and answers about Sex-by Dr. Lim Sumin

4. Health in the Later Years-by Dr. Robert E. Rothen Berg. M.D;

5. Your Guide to Better Sex-Dr. Theresa Cren Shaw.

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