y, is a heartwarming book to help introduce the concept of egg donation to a young child. A story told through clear language and cheerful illustrations, readers will join Mommy and Daddy bear on the journey to fulfill their greatest wish of becoming parents. With help from a doctor, an egg from a special lady called a donor and Daddy's seed, a baby grew in Mommy's tummy and was welcomed with great joy. This is 1 in a collection of 13 Happy Together books to help introduce young children to IVF, donor conception and surrogacy.