The battle of the Villa Fiorita - Rumer Godden

When their mother leaves the country to be with her lover, Hugh and Caddie Clavering's seemingly perfect life falls apart. Devestated, and desperate for her to come back, the children travel alone to the Villa Fiorita on Lake Garda, determined not to leave without her. On arrival, they can tell Fanny and Rob are deeply in love, and their mother is happier than they've ever seen her, but the scheme lives on and Rob's young daughter is only too glad to help destroy their relationship. Will Hugh and Caddie realise that their actions have consequences before it is too late?