https://www.pearson.com/en-au/subject-catalog/p/mainsails-1-ages-9-10-splinters/GPROG_A101704791143_learnerau-availability/9781869447762
MainSails 1 (Ages 9-10): Splinters
mainsailsagessplinters
https://www.quantumsails.com/en/sails/racing-sails
Racing Sails - Mainsails, Headsails, Spinnakers - Quantum Sails
Using advanced design, engineering and construction techniques, Quantum builds premium sails for the specialized needs of racing sailors.
racingsailsspinnakersquantum