A blue line marked "busy" on a given day indicates that the property is already booked. If there is no blue line, the property if available. A green entry gives the price for one week during that period. If you click a blue or green line, the dates for that entry are displayed. Weekly bookings run Friday to Friday. Part-week bookings are available during November, December, January and February via AirBNB
(or contact Jim).
When in doubt... please ask!