An address book by Leuchtturm1917 that will outlive many a smartphone. Thread-bound for durability, this book opens flat - which is fantastic for writing in and ensuring 100% page usage. Its acid-free paper makes it perfect for archiving all those important addresses and numbers, lasting years without yellowing or any degradation. And it has ink-proof paper so you can use your favourite fountain pen without worrying about it going through the paper. This address book also contains an expandable pocket, for collecting and keeping safe any mementos or birthday reminders. There is a page marker to keep you on track of where you are. The elastic band fastener ensuring loose notes don't go astray and keeps those close-kept contacts secret! This is the ultimate little black book to keep you organised and will last for years. Why not check out our work from home collection for all your stationary needs How big is it?Medium (A5) 145 x 210 mm.