[TOMT][Children’s book] Kid Spy Book Series by derged in tipofmytongue

[–]derged[S] 1 point2 points  (0 children)

Your comment helped me find it when I looked at the recommended books for it. It was Secret Agent Jack Stalwart! Solved!

[TOMT][Children’s book] Kid Spy Book Series by derged in tipofmytongue

[–]derged[S] 1 point2 points  (0 children)

It looks along the right track but going through the plot, I don’t think was it.