How Did I Begin by Mick Manning is a lovely book that talks about how babies are made.
Being an older book, the baby making method the books talk about, is sexual intercourse and not IVF, surrogacy, etc. The book gives a really nice simple description of sexual intercourse, with lots of great information about what happens to the baby during pregnancy.
How Did I Begin by Mick Manning is ideal for children between the ages of 5 – 8 years of age.
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You can also watch a video review of How Did I Begin by Mick Manning on Youtube.