

"You are cordially invited to the BIGGEST, BESTEST, HATTIEST party of all time "
Come join the fun--but only if you have a hat. AND you know the entry rules. Unfortunately, there seems to be a surprising number of those, as a young boy discovers. Will he--and...
![N'oublie pas ton chapeau [French] 2374080315 Book Cover](https://m.media-amazon.com/images/I/41bSatWlXXL._SL500_.jpg)
![You Must Bring A Hat [French] 1471117316 Book Cover](https://i.thriftbooks.com/api/imagehandler/l/09C6A935DB81412C5858320AFD759F806252D1E2.jpeg)
![Hut auf, Party ab! [German] 3836959216 Book Cover](https://m.media-amazon.com/images/I/619bF29S3kL._SL500_.jpg)