What a Young Wife/Young Husband Ought to Know, 1902, 1907, Self and Sex Series

These books are epic! Both are part of the Self and Sex Series:

What a Young Wife Ought to Know is by Mrs. Emma F. Angell Drake, M.D., 1902

What a Young Husband Ought to Know, is by Sylvanus Stall, 1907

Both books are in good condition.