This is a complete four volume set.
Volume one is in good condition, binding is sturdy, there are yellowed edges.
Volume two is in okay condition, binding is very slightly loose but sturdy, slight foxing on some pages, yellowed edges, first page is loose.
Volume three is in fair condition, binding is very loose, middle of the book has split, yellowed edges.
Volume four is in good condition, binding is very slightly loose but sturdy, yellowed and foxed edges.