Not sure what to do about three different item/s not received

[mygirllollipop]

Item 1 - 2 books from same seller, paid (paypal) on 6th Oct. Not recieved item, had + feedback but no communication.

Item 2 - DVD paid for on 8th (paypal), no comms, no item.

Item 3 - 7 books, paid for on 7th (paypal) to USA seller, receieved 1 book? Not sure to email her and ask if she's sent others seperately?

Obv I undedrstand there's been postal strikes and the last one needs to come from USA, but that's not normal right?

I have bought some kids books from three different sellers last week and they have all showed up.
No replies execpt the socks guy sent a standard one to say wait.
The USA books - it turns out she did send one book seperately as it didn't fit into their flatrate envelope. Pity is I already had that book it was the others in the lot I was interested in, I didn't dare tell her though!