| SPENGLER | Oswald -, German philosopher whose works include the two-volume The Decline of the West (8) |
| FORTEPIANO | Old source of music in two volumes, the first being bigger |
| AKELA | Chief wolf in Kipling's 2-volume The Jungle Books (5) |
| ELIXIR | 'The ------ ', two-volume novel by Ernst Hoffmann completed in 1816 (6) |
| DEVILS | 'The ------ ', two-volume novel by Ernst Hoffmann completed in 1816 (6) |
| EMBRACE | Include the two that followed me back (7) |
| EITHEROR | First published work of the Danish philosopher Soren Kierkegaard, which appeared in two volumes in 1 |
| MAPQUEST | Website that contributed to the decline of road atlases |
| OSWALD | ___ Spengler, author of The Decline of the West (6) |
| KILLBILL | Tarantino film with two volumes |
| DETERIORATION | The decline of the speech from the dieter (13) |
| SYLVIAPLATH | US-born poetess who wrote the two volumes of verse The Colossus and Ariel, and the novel The Bell Jar (6,5) |
| GOVERNMENTBIOLOGIST | Farley Mowat's 1963 book Never Cry Wolf is about his time as a ___ ___ studying the decline of the Caribou population in northern Canada |
| SUNSET | Decline of the West? |
| MATTER | A gas, liquid, solid or other basic structural component of the universe with a mass and volume; the subject of speech, thought, writing etc; a thing of consequence; or, a concern (6) |
| EDWARD | US writer and artist whose works include 1963 volume The Gashlycrumb Tinies (6,5) |
| DUO | Do you see how it includes the two of them? (3) |
| DENSITY | Word for the compactness of a substance, such as bone; mass per unit volume; the opacity of a photograph; or, obtuseness/stupidity (7) |
| IRVING | Washington ___, author of 1819 volume The Sketch Book of Geoffrey Crayon, Gent (6) |
| ROETHKE | Theodore ?, writer whose volume The Waking won the 1954 Pulitzer Prize for Poetry (7) |
