Three of the birthday books on this site are aimed at the same birthday. That is not an oversight, but it does make the collection page harder to shop than it should be. The difference between them is not the cover colour. It is what the book is actually doing.
Two kinds of birthday book
Split them this way before you look at age at all.
The first kind is a record. It walks through a year that has already happened and writes it down, which means its value goes up over time and its usefulness on the day itself is fairly limited — a one-year-old does not care. You are buying it for the parents now and the child later.
The second kind is a celebration. It is addressed to the child, it is about who they are and what is coming, and it works as something to read aloud at the party. It ages differently: less of an archive, more of a book they will actually ask for again.
The records
First Birthday Blue and First Birthday Pink are the same book in two covers, and both belong in this category. They count the first year out month by month — first sounds, first foods, the first unsteady steps — and finish on the birthday itself. The blue edition reads as a record rather than a card: what they learned, what they flatly refused to eat, who they reached for. The name is printed on the cover and set into the story, not just added to a dedication line.
Pick one of these if the person receiving it is really the parent. They are the version that gets pulled off a shelf in fifteen years.
The celebrations
Happy First Birthday! covers the same milestone from the other direction. It is written about the child rather than about the year — who they are becoming, how they are loved — with the name running through the pages. If the book is going to be read out at the party with an audience of relatives, this is the one that reads better out loud.
Happy Second Birthday! does the same job one year on, and the shift matters more than the number suggests. At two there is an actual personality to write about, and the book prints both the name and the age, so it is anchored to that specific birthday rather than to childhood in general.
The one that solves the repeat-buyer problem
Happy Birthday! (Ages 1-9) is the flexible one. Name and age are both personalized, and it covers birthdays one through nine, which makes it the sensible choice in two situations.
The first is when the child is past two and the dedicated titles no longer apply. The second is when you are the aunt, the godparent, or the family friend who gives a book every year and would like the run to match. Ordering the same title with a new age on it each year builds a small shelf of them, which is a better outcome than nine unrelated books.
It is also the safest pick when you are not certain how old the child is turning. That happens more than people admit.
Practical points
All five start at $39.99 and all five are offered in hardcover and softcover, chosen on the product page before the book goes into the cart. For a first birthday, hardcover is usually the right call — not because of how it looks, but because a book given to a one-year-old spends its first two years being chewed, dropped and sat on. A record that does not survive the year it records is a poor record.
These are printed to order, so allow the two to four business day production window before shipping and work backwards from the party date. A birthday is a fixed deadline, which is different from most gift occasions and worth respecting.
Read the name back before you pay. What you type shows up in your cart, at checkout and on the order confirmation. Personalized books cannot be returned once printed, for the obvious reason that there is one copy in existence with that child's name on it — but if a name goes in wrong and you tell us quickly, we can usually stop it before printing. Anything that arrives damaged or misprinted, we replace free.
The rest of the milestone titles are in New Baby & Milestone Stories. If the birthday in question is arriving at roughly the same time as a new sibling, that combination has its own set of considerations and we covered it in choosing a big brother or big sister book.