Luc?a the luchadora and the million masks

"Luc?a's little sister Gemma wants to be a luchadora like her, but she is more bumble and spat than pizzazz, and seems to find trouble wherever she goes. When Gemma makes a ginormous hole in her big sister's special silver mask, Luc?a is exasperated at how she seems to get away with everything. But a trip to the mercado with Abuela presents the sparring sisters with a dazzling array of possibilities, and Luc?a discovers that some things, including troublemaking little sisters, are one of a kind"--Back cover.