Quantum of Menace (Q Mysteries, #1)

Q is out of MI6 . . .
. . . and in over his head

After Q (aka Major Boothroyd) is unexpectedly ousted from his role with British Intelligence developing technologies for MI6's 00 agents, he finds himself back in his sleepy hometown of Wickstone-on-Water. His childhood friend, renowned quantum computer scientist Peter Napier, has died in mysterious circumstances, leaving behind a cryptic note. The police seem uninterested, but Q feels compelled to investigate and soon discovers that Napier's ground-breaking work may have attracted sinister forces . . . Can Q decode the truth behind Napier's death, even as danger closes in?