FOOD is the best gift in my experience.
Things that need no prep and can go straight in the oven/on the table.
Also, especially if intending to breastfeed, healthy snacks that can be popped into the mouth one-handed.
Maybe a food delivery voucher (do “Cook” do these?)...
I could have wept with relief when people brought me ready prepared meals all those years ago. I can remember the meal from one friend I haven’t seen or heard from for 30 plus years - just because it felt like a life-saver!
My good friend’s daughter was genuinely delighted when we gifted dinners recently.
Books are lovely though if you are concerned about something to keep.