Cobweb and Ivory was the second story in The Book of the Enemy. Written by Nate Bumber, it notably featured the return and recontextualisation of concepts from the Faction Paradox comics and Lawrence Miles' first Doctor Who novel, Christmas on a Rational Planet.
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- The hacker group Anonymous wear Faction Paradox masks.
- Ambassadors of the Plume Coteries come to Terra Primagenia.
- Meerwolves live in the Amazolian system.
- Avus finds a breeding-engine with an unformed human child missing parts of its history.
- "Avus" is Latin for "Grandfather". Grandfather Paradox and the First Doctor were both members of the Great Houses who were called "Grandfather".
- The story was preceded by Pre-narrative Briefing B.
- Breeding-engines are mentioned to be kept in cradles, subtly reconciling the Doctor's cot first seen in TV: A Good Man Goes to War with the Doctor's Loom-born origins.
- This story's painted warriors resemble Weeping Angels.
- Avus travels to an alter-time realm. (PROSE: The Book of the War, Against Nature)
- The alter-time realm resembles a dilapidated version of the part of the pre-universe shown to Chris Cwej in PROSE: Christmas on a Rational Planet.
- Faction Paradox masks are commonly worn on 21st century Earth. (PROSE: This Town Will Never Let Us Go)
- Avus briefly becomes a posthuman-era blind pilot in control of a warship. (PROSE: The Book of the War, Newtons Sleep)
- Representatives of the Arcadians come to Cernunnos' unveiling. (PROSE: The Book of the War)
- Avus bumps into a cactus-skinned child on Terra Primagenia. (PROSE: War Crimes)
- Avus briefly envisions a bestiary at the centre of a crowded city where a girl named Lucita tends to a caged mammoth. (COMIC: Political Animals, Bêtes Noires & Dark Horses, PROSE: The Adventuress of Henrietta Street)
- Avus falls out of his House's Loomshed. (PROSE: The Book of the War, The Return of the King)
- Cernunnos is certain that one Homeworld will be "taken down" by Avus' will. (PROSE: The Ancestor Cell)
- The act of Avus, a future renegade, being exposed to praxis in Enemy territory and having a series of nested visions concerning the War in Heaven mirrors the events of the Rivera Manuscript, as described in PROSE: The Book of the War.