There's only one person on earth who knows the secrets of Charlesco: Jane and Barney's boss, Langdon Gramercy. To get to the bottom of what's going on in Spectrum, they plan to ply him with wine and crack open the vault of secrets.
| ISBN: | 9781641445177 |
| Publication date: | 27th February 2019 |
| Author: | Allison, John |
| Publisher: | BOOM! Box |
| Format: | Ebook |