I think it's a great that you want to get something special for the big sister so it's not just a "baby book" but it's a "family book". I am a single mother of a 3- (almost 4) year-old boy, and I remember that when I was pregnant I was so frustrated because I couldn't find any "baby books" that didn't include huge sections about "how mommy and daddy met" or "mommy and daddy's courtship" or "wedding stuff" or whatever. The books out there are more centered around mommy and daddy than they are around the baby. I don't have much of a suggestion, other than, if you are close to the expecting mother and her daughter, maybe you could take the daughter with you and find more of a scrap book that she can help you pick out. Then it really is a "Big Sister Book". I like the idea of pictures and maybe you can get those and make up pages that say the typical "baby book" things about the newborn and growing steps (like first step, first word, etc.). That way, you can make a page for the older sister and on the next page, make it the same for the new baby. That way they can look at it later in life and see how they both were as babies without having to look at different books.