50 Knots You Need to Know: Learn 50 knots for sailing, climbing, camping, and moreE-book50 Knots You Need to Know: Learn 50 knots for sailing, climbing, camping, and morediMarty AllenValutazione: 0 su 5 stelle0 valutazioniSalva 50 Knots You Need to Know: Learn 50 knots for sailing, climbing, camping, and more per dopo