The Midderlands Expanded PDF is Deal of the Day at DriveThru RPG.
From £12 down to £3.50-ish for the PDF and map.

70% off

Grab it here: https://www.drivethrurpg.com/product/245777/The-Midderlands-Expanded

Don’t forget, a physical hard copy is available from our store here: https://monkeyblooddesign.co.uk/product/the-midderlands-expanded/