I'll admit that this is made easier by a much older cousin's influence, but older cousin happened to be exactly 10 years old when the first HP came out. Subsequent books came out once per year, as he grew up. Cousin has always commented about how he loved growing up with HP. So my plan is to give the first book to DS when he turns 10, and give him each subsequent book on his birthday.

We'll see how it goes. But Cousin's influence has always been mighty.