Andy McGuinness 
Sandy Spade and the Birthday Cake 

It’s Megan’s birthday, but Bertie Bucket and Sandy Spade don’t have the ingredients to make a birthday cake. Sandy suggests they make it from sand and so the gang sets about making the best birthday cake ever. But when they try to present it to Megan, someone has eaten it. Find out who in the second book from the Whistle-On-Sea series.