If this is the same as the Faber _Selected Cantos_ I own, it is a selection made by Pound in 1965, containing a number of full-length Cantos as well as selections from others. The Cantos themselves are excellent. However, the _Selected Poems_, also published by Faber, is perhaps as good a selection -- it actually has more from the poem, and also (being a later selection) contains selections from the last part of the poem, _Drafts and Fragments_, which wasn't published in 1965. If you want to buy a book of Pound's, the _Selected Poems_ is perhaps the one to have, as in addition to the selections from the Cantos it has a full selection from his early poems. Amazon has the complete Cantos published by Norton for £17.50, which is amazing value as the Faber edition costs £30.00 paperback. The Cantos are full of brilliance, but also full of passages that are dull or irritating or weak or imcomprehensible: hence the usefulness of a selection. If you like them (and if you don't, I'd say that they're worth trying to like: at least for me they're one of those poems that stick in the mind and beg to be returned to) then the collected edition is a must at some point becuase it provides the complete text of certain of the volumes that make up the poem: _A Draft of XXX Cantos_, _The Pisan Cantos_ and _Drafts and Fragments_ are all excellent, and the last two especially deserve to be read right through.