Series

The Young Inventors Guild

by Eden Unger Bowditch

2 books in reading order

  1. #1 The Atomic Weight of Secrets or The Arrival of the Mysterious Men in Black Eden Unger Bowditch · 2011
  2. #2 The Ravens of Solemano or The Order of the Mysterious Men in Black Eden Unger Bowditch · 2013

Also in the series

  1. The Strange Round Bird: Or the Poet, the King, and the Mysterious Men in Black Eden Unger Bowditch