LEGO Harry Potter 30628 Monster Book of Monsters GWP is back Last year’s LEGO Harry Potter 30628 Monster Book of Monsters is back in LEGO Stores in the UK, free with qualifying purchases throughout September. As reported through HUKD , the promo set – which originally debuted in 2020 in the US, China and Europe, before finally launching as a wide gift-with-purchase in January 2021 – is once again free with a £75 spend on LEGO Harry Potter products.…