Me too. I'd buy a book like that.

I have a 1988 Kirsten, and I've saved ebay pictures, but you know how that is. Most of those that say they are 1988 don't look like my Kirsten.

I won an pre-mattel Kirsten in a lot, but I am not sure what year she is. By her being from ebay she could have a different head and body.

I don't have another Sam to compare to my 1989 Samantha but did copy an ebay picture from a seller that had one and it looked just like my Sam.

My dd is getting an Addy that we purchased at AGPC this year, and I can compare her to my 1993 Addy. But no timeline in between those two.