Good+ or better Condition for this vintage hdbk.  Cover shows general aging, faded lettering, and some corner/edge wear.  Corner blunting but very little or no fraying.  Owner name penned inside front cover.  Hinges/binding are strong/tight.  Very light ivory/beige age-tanning visible on some pages, but paper is not brittle.  Inside is clean...no tears, folds, stains, marks, nor foxing.