inputs.text: esee navigation cards far basic get good survivalnavigation guide book compass instead - esee navigation card set navigation card set really basic font size small no luminous spots useful beginners thus even beginners would far better spend money good baseplate compass luminous markings different map scales magnifying glass good navigation survival guide book compass choose however depend upon price degree accuracy required well use cases may need compensate declination author suggests readers look compasses made companies silva sweden suunto finland name couple fully recommend sas survival guide john ` lofty wiseman principal survival guidebook training survival exercises remote areas north scotland south america past 25 years book available large size hardback dont think get hardback edition amazon usa likely amazon uk medium size paperback small paperback collins gem size nb small font formats three font size latter format rather small [ [ asin0062378074 sas survival handbook third edition ultimate guide surviving anywhere ] ] [ [ asin0061992860 sas survival guide 2e collins gem climate situation ] ] excellent navigation guide suggest latest edition essential wilderness navigator many baseplate compasses map scales mminch markings people really want map scalerprotractor consider military reader eg sorry update cannot add direct amazon product links done thus rate esee cards 1 star product author declares no conflicts interest exist review product product mentioned review