If you collect O gauge trains, YOU NEED THIS BOOK! It doesn't matter what era trains you collect - prewar, postwar, modern, or digital, The O Gauge Train Collectors Logbook works for all of them! Its portable 6"x9", 120-page size lets you throw it in a bag to take to shows and events, or to keep on your desk or workbench. Terrific for keeping all information at hand for reference, inventory, insurance, appraisal, and valuation purposes. The O Gauge Train Collectors Logbook is a simple, indispensable tool that that makes it easy to catalog your collection of locomotives, cars, and accessories, along with condition, date of acquisition, guide price, and notes about the items. Great for Lionel, MTH, Marx, K-Line, Williams, and other manufacturers. A great gift and organizer for any O gauge hobbyist! A portion of 5Mutts Media sales supports animal rescue and welfare organizations.