Buying Christmas Books Early (and What to Do If You Did Not)

Every personalized product has the same December problem. It has to be made after you order it, which means there is a real date past which it cannot arrive.
Here is the honest timeline, and the genuinely good fallback if you miss it.
If you want the shipped hardcover
Order by the first week of December. Printing and binding takes several days before it enters the postal system, and December post is the least predictable of the year.
Ordering in November is better and costs exactly the same. There is no early-bird discount and no penalty; the only difference is whether you spend the third week of December refreshing a tracking page.
If you order in mid-December
The PDF still arrives in about five minutes. Take it to a local print shop rather than relying on post. Spiral-bound colour on card, same day in most towns, and you have a real book in your hands without touching a courier.
This is a genuinely good outcome, not a consolation prize. A spiral-bound book that opens flat is easier for a child to use than a hardcover.
If it is Christmas Eve
The PDF still takes five minutes, and a home printer still works. Thirteen pages on the best paper in the house, single-sided, stapled or ribbon-tied down the left edge.
This is the actual use case a print-ready file is for. It is not elegant and it works, and a four-year-old on Christmas morning is not assessing binding quality.
One practical warning: check you have colour ink before you need it, not at eleven at night on the 24th.
The version nobody thinks of
Print the first page only, wrap that, and let the child open it on the morning. Then make the rest of the book together over the holiday, with them watching it come out of the printer.
For some children the making is better than the receiving, and this converts a deadline you missed into something you would not have thought to plan.
For anyone shopping now
If you are reading this in September, the useful move is simply to decide now and order in November. Personalized gifts reward early decisions in a way that most shopping does not, because the constraint is production rather than stock.