This Isn't What It Looks Like

The fourth book in the 'Secret' series, 'This Isn't What It Looks Like' continues the adventures of Cass and Max-Ernest as they try to solve the mystery of the Secret and the Time Travel Potion. Cass, who has tasted the potion, is trapped in the past, leaving Max-Ernest to rescue her. But as they delve deeper, they discover more about the Secret and its ties to their own families. Cass may be in grave danger as she has eaten the Time Travel Chocolate, which has caused trouble in the past. Max-Ernest is worried for his best friend and must diagnose Cass's condition and find a way to save her before it's too late. It's a race against time for Max-Ernest, and a race through time for Cass, as they both try to unravel the mysteries and dangers that await them.