Lulu and Boo (Paperback) (ISBN-13: 9781773703961)

LuLu and Boo are two very happy house cats. They have all the love and attention any cat could want. There is no need to ever leave the house. Besides, it looks way too scary out there! One day, something unusual happens. A strange face appears at the window. They become unsettled with so many questions that they decide to be brave and take their first steps outside.