Sextet

Sextet – An Obverse Celebration was a series of six interconnected novellas released in the second half of 2019 to celebrate Obverse Books' tenth anniversary. 
It features characters from a variety of Obverse Books' previous releases, including the Iris Wildthyme, Manleigh Halt, Faction Paradox, Senor 105 and The City of the Saved series, as well (by special permission of Michael Moorcock), the Sexton Blake stand-in, Seaton Begg.
The final book in the series, Vanishing Tales of the City, featured characters from all of the other five books.
#	Title 	Author 	Release date
1	The Mystic Menagerie of Iris Wildthyme 	Nick Campbell 	11 November 2019
2	The Rise & Fall of Señor 105 	Blair Bidmead 	11 November 2019
3	The Immortal Seaton Begg 	Simon Bucher-Jones	11 November 2019
4	Hyponormalisation: A Faction Hollywood Production	Jonathan Dennis 	9 December 2019
5	Closing the Casebook 	Nick Wallace 	9 December 2019
6	Vanishing Tales of the City 	Kara Dennison 	9 December 2019