This book came into my hands in 1972, so it’s probably from 1960s (or possibly late 1950’s). The heroine is smart and has been accepted to university, but needs to make money over the summer. She agrees to take care of her fraternal-twin cousins (one of whom is named “Gaylord” and hates the name) as the family travels to the Continent. Definitely some beautiful descriptions of Lake Como. The beautiful elder sister of the cousins is meant to be getting engaged to some solid English prospect but has actually fallen in love with an “unsuitable” yet charming Italian. Our heroine ends up meeting the suitable prospect and sparks fly. His name is Timothy and/or he’s the heir to a tin mine (might have made up one of those because it sounds like the other). The ending is that they’re both going to the same university in the fall and presumably their romance will be continued/completed then. Oh and the twins come around in the end, too. I was most fascinated by the beginning, though, which is an account of her figuring out with her mum how to sew a respectable wardrobe for the summer with very little money.