Berenstain Bears & the Birds, the Bees, and the Berenstain Bears

What happens when Sister Bear notices that Mama's lap is shrinking? No, it's not that Mama is eating too much salmon and honeycomb. Mama is going to have a baby! With a little help from Mama and Dr. Gert, Sister learns all about the birds and the bees.and sonograms, too! Is the baby going to be a boy or a girl? Shh.we're not telling! Here is a warm way to give very young children a very first introduction to the facts of life, Bear Country-style.