Build a super-cyborg gadget glove and save the science museum with twin sleuths Nick and Tesla in this zany, action-packed middle grade adventure by “Science Bob” Pflugfelder!

Uncover a secret agent and build spy gadgets with twin sleuths Nick and Tesla in this zany, action-packed middle grade adventure by “Science Bob” Pflugfelder!

Join twins Nick and Tesla as they build homemade robots and race to solve a mystery in this zany, action-packed middle grade adventure sequel by “Science Bob” Pflugfelder....

Solve mysteries using DIY science projects with twin sleuths Nick and Tesla in this zany, action-packed middle grade adventure by "Science Bob" Pflugfelder!