If the paperback was purchased, here are the links used in eBook
(in order of appearance)
(in order of appearance)
SWIMMING FOR SIGHTSEEING
MARINE NAVIGATION
WEATHER CONDITIONS (JUNE-SEPTEMBER)
SAFETY TIPS
United State Lifesaving Association Links
International Life Saving Federation
GEAR
PREPARATION
Heraklion Archaeological Museum
Online tickets to archaeological sites
Mochlos early-Minoan archaeology
Crete Open Water Swimming on Facebook