It was to have been the fourth novel in the Gormenghast series , after " Titus Groan " , " Gormenghast " , and " Titus Alone " .
Head entity: titus alone Q9363769 25 26
Tail entity: gormenghast Q5586648 10 20
Relation (head \u2192 tail): P155
Inverse relation (tail \u2192 head): P156