VAN ALLSBURG,CHRIS. POLAR EXPRESS. Bost:HM 1985 (1985). Obl. 4to, PUBLISHERS PROOF COPY, unbound, fine cond. Magnificent colot illus. on each page, CALDECOTT AWARD WINNER. This copy has Houghton Mifflin' Season's Greetings card laid in featuring a beautiful color illus. from the Polar Express on the cover. Fewer than 50 copies in this proof state exist. Scarce.