HOW TO CLAIM

ONLINE: Pre-order today at whsmith. co.uk. Add the book to your basket and apply voucher code 60323699 in the promo code box. Cannot be used in conjunction with any other promotion code. Offer excludes delivery. Full T&Cs available at whsmith.co.uk/terms.

IN-STORE FROM OCTOBER 14: Present the voucher, right, along with the book at the checkout. Offer valid October 14 to 20, 2021.