I haven’t read any but I’ve seen a couple online

https://books.google.com/books/about/A_Contented_House_with_Twins.html?id=ZHCbZKCSm04C&source=kp_book_description

https://www.amazon.com/What-When-Youre-Having-Two-ebook/dp/B00C5R7518/?tag=multplsll-20 (this one has 4.5 stars on Amazon with 761 reviews)