https://store.theflint.app/ daily https://store.theflint.app/products/the-flint-mind-a-modern-guide-to-unshakeable-resilience 2026-07-08T23:44:05+01:00 daily https://cdn.shopify.com/s/files/1/0791/8842/6775/files/The_Flint_cover_600x600_b7e49824-3085-4554-bc68-0c8a0c748a4c.png?v=1783524239 The Flint Mind — Paperback Physical Edition