Book 1

The Prime-Time Burglars

by David Cole

Published 3 December 2018

Book 2

A Sequence of Events

by David Cole

Published 15 May 2019

Book 6

The Triangle Secret

by David Cole

Published 1 April 2022

Book 7

A Knotty Problem

by David Cole

Published 1 October 2022

Book 8

An Artificial Test

by David Cole

Published 3 April 2023

The Election Calculation

by David Cole

Published 1 September 2024