A solid copy. A book of this grade is generally well kept and is in good shape to read and store. Sturdy spine, all pages intact physically. Solid cover. Might have acceptable shelve wear. Might, rarely, have very limited notes.
Alan Contreras has studied the birds of Lane County for over 30 years. He is past president of the Oregon Field Ornithologists, and has written and edited several books on Oregon birds, including Northwest Birds in Winter and Birds of Oregon: A General Reference. He lives in Eugene, Oregon.