50 Knots You Need to Know: Learn 50 knots for sailing, climbing, camping, and moreeBook50 Knots You Need to Know: Learn 50 knots for sailing, climbing, camping, and morekaryaMarty AllenPenilaian: 0 dari 5 bintang0 penilaianSimpan 50 Knots You Need to Know: Learn 50 knots for sailing, climbing, camping, and more untuk nanti