Esterbrook Nook Sleeve journal Medium (M): a hard nib

Medium (M): a hard nib for medium lettering

This is 2026 Diary Monthly for TRAVELER’S notebook

brighter interior color compliments each case's exterior color

Key Monsters

A premium oblique calligraphy pen designed for precision and beauty

Esterbrook Nook Sleeve journal Medium (M): a hard nibEsterbrook is proud to unveil the latest expansion of its beloved NOOKS collection, designed for writers, collectors, and enthusiasts who value both style and function in pen storage. With a reputation for combining timeless design with thoughtful utility, the new NOOKS offer refined materials, expanded colorways, and enhanced interior detailing making them ideal for travel, home, or desk use. The new lineup introduces two sophisticated color options: