WINTER,MILO. BILLY POPGUN. Boston: Houghton Mifflin 1912 (Oct 1912). 4to, vellum backed boards, gilt cover and top edge gilt, spine slightly soiled else near fine. First edition of Winter's best and scarcest book, LIMITED TO ONLY 350 NUMBERED COPIES PRINTED ON JAPAN PAPER WITH ILLUSTRATIONS SURROUNDED IN A GILT DESIGN BY THE ARTIST! Written by Winter and illustrated by him as well with pictorial endpapers, 8 fabulous tipped-in plates, plus line illustrations in-text. The story is a wonderful fantasy trip taken by little Billy (who had a pop-gun).