Aladdin Paperbacks When the World Was Ours

"""Three young friends--Leo, Elsa, and Max--spend a perfect day together, unaware that around them Europe is descending into a growing darkness and that they will soon be cruelly ripped apart from one another. With their lives taking them across Europe--to Germany, England, Prague, and Poland--will they ever find their way back to one another? Will they want to?""--Provided by publisher." ...