Let users create "document" with text information

Hi

I’m looking for a plugin (or an other solution) where our customers can insert own text information regarding their order. I’d like this something to pop-up (a little bit like many photo book company has where the customer add their photos and text, but much, much more simple). For example, if they choose to buy a 24-pages book, they should be able to click that product and than insert text information on 24 lines where they write “header” and “text” in separate columns, if they instead choose a 12-pages book, 12 lines should appear with two columns, “header” and “text”. Our customers should just choose from four different products and than add this text information, nothing else. The best would be if the customer could also save and continue later, if this feature is possible. The information should than be able to be submitted and be sent to us.

I hope I explained this clear enough, but I’m not 100 % sure, but I’ll give it a try.

Much thankful for your help.

Kind regards

Patric