Ca.1944 How Caterpillar Helps Fight World War II,8-1/4" x 10-3/4" with 55 numbered pages.The story of Cat at Home and Abroad with 1-2 pictures on each page showing Caterpillar at work.From making ordnance,Howitzer carriages,M-4 Tank transmissions and Diesel Radial engines to Caterpillar Diesels clearing land for factories,grading railroads and building supply lines. Excellent Condition