One row per book: title, author, and who gave it. Three pages, 78 rows, designed to be filled in with a pen while sitting on the floor in front of the shelf.
No email, no account. The PDF is for printing; the CSV opens in Excel, Numbers or Google Sheets and has a few extra columns.
Most bookshelf inventories are abandoned around book twelve. The failure is almost always scope: someone sits down to catalog “the books” and discovers an hour later that there are far more than they thought.
It looks like sentiment and it is actually the most useful column on the page. Duplicates cluster by giver: the same relative tends to buy from the same shelf of the same shop. After a year you can see who is most likely to double up, which tells you exactly who to send a list to, and it makes thank-you notes much easier.
A paper inventory has one problem no amount of neat handwriting solves: the person most likely to buy a duplicate is not you. It is a grandparent standing in a shop three hundred miles away, and they cannot consult a sheet of paper on your kitchen table.
So if duplicates are arriving as gifts rather than from your own forgetfulness, a paper list will not fix it on its own. You need something the buyers can check. That is the whole reason Shelfmark exists: it catalogs the shelf from a photo instead of a pen, and gives you a link the gift-buyers can search in ten seconds without an account.
But the template is genuinely free and genuinely useful on its own, and if the pen works for your household, use the pen.
Looking to track what’s been read rather than what’s owned? There’s a separate printable reading log for that.