This book has the type of imaginative pictures that most kids go absolutely CRAZY about. Camels with smorgasboards atop them, with chairs strapped to the humps that you could eat breakfast atop. Moutain swimming pools with multiple levels - things that we would LOVE to experience in our wildest dreams.
My #1 favorite children's book out of about 50 books (including 10 Dr. Seuss) when i was a kid. There is no book that made me happier to read. It DOES NOT have to be your birthday for you to simple LOVE this book.
Now that I have my own sons, I found another book with similar imagination : "Oh, the things you can think!!" but not quite as spectacular or wonderful as "Happy Birthday to You !!" by Dr. Seuss.