u003cbu003eFor the fifth time ever, best friends Elephant and Piggie have five BIGGIE adventures in one book!u003c/bu003eu003cbru003e u003cbru003e From award-winning, best-selling author and illustrator Mo Willems, this BIGGIE bind-up of Elephant & Piggie adventures will make readers want to celebrate!u003cbru003e u003cbru003e This bind-up includes the titles: u003ciu003eI Am Invited to a Party!u003c/iu003e; u003ciu003eI Will Surprise My Friend!u003c/iu003e; u003ciu003eHappy Pig Day!u003c/iu003e; u003ciu003eWaiting Isu003c/iu003eu003ciu003eNot Easy!u003c/iu003e; and u003ciu003eThe Thank You Booku003c/iu003e.