Uses Bird And Bee Cartoon Characters To Present Straightforward Explanations Of Topics Related To Sexual Development, Love, Reproduction, Adoption, Sexually Transmitted Diseases, And More. Curious? Embarrassed? Confused? -- So How Do Babies Really Begin? -- Egg + Sperm = Baby -- Reproduction -- Same And Different -- Male -- Female -- Growing Up -- Babies, Kids, Teenagers, Grown-ups -- What's Inside? What's Outside? -- Female Parts -- What's Inside? What's Outside? -- Male Parts -- The Amazing Egg Trip -- What Do Eggs Do? -- The Amazing Sperm Trip -- What Do Sperm Do? -- What's Sex? -- Female Or Male -- Loving -- Making Love -- Making A Baby -- What's Love? -- Lost Of Kinds Of Love -- The Big Race! -- Sperm And Egg Meet -- A Warm And Cozy Womb -- Pregnancy -- Fresh Food! Fresh Air! -- Growing And Staying Healthy -- Stretch! Punch! Kick! Hiccup! Burp! -- The Growing Fetus -- Twins And More! -- Twins, Triplets, Quadruplets, Quintuplets -- Come Out, Come Out, Wherever You Are! -- Birth -- What Makes You -- You! -- Chromosomes And Genes -- And Other Things, Too! Robie H. Harris ; Illustrated By Michael Emberley. Includes Index.