A new book on mine is available on Amazon: 39 No-Prep/Low-Prep ESL Speaking Activities: For Kids (7+)
This is the book that every elementary school ESL teacher needs to have in their libraries. There are 39 no-prep or low-prep, interesting, engaging and fun activities. I give you my personal guarantee that they'll make your classes awesome and lesson planning easy. Only electronic version for now, but the print version will be available shortly.