Will be very, very good this.
Be careful sourcing Lower Block, though. Their owner is S*n-linked.
Programme not even organized yet, but you can pre-order from the printers: https://reachsportshop.com/matchday_programme/everton-v-southampton-18-05-2025/
As for any memorabilia books, this will be on sale at the museum in limited numbers but you can get it all the time here: https://mixam.co.uk/print-on-demand/6711415f76bb765e2b22f5c3