Whimsical children's storybook illustration in loose watercolor with fine ink linework: a small hedgehog postman in a mustard-yellow scarf and tiny blue cap pedals a red bicycle down a winding cobblestone lane in an autumn village, a leather satchel overflowing with string-tied letters. Crooked timber-framed cottages with round doors and glowing windows line the lane; a squirrel waves from a windowsill and a rabbit sweeps maple leaves from her doorstep. Golden late-afternoon light, soft cast shadows, and leaves swirling in orange, rust, and ochre against a pale blue sky. Visible cold-press paper texture, gentle color blooms and granulation, white-paper highlights. Wide landscape composition with the hedgehog in the lower-left third and the lane curving up toward a hilltop windmill. Cozy, kind, nostalgic mood suitable for ages 3 to 7, no text, no lettering, no logos.