 Experiments and Observations on Electricity 
... that Experiments and Observations on Electricity is Benjamin Franklin's only scientific book?
... that <i id="mwA6c"><b id="mwA6g"> <a href="./Experiments_and_Observations_on_Electricity" id="mwA6k" rel="mw:WikiLink" title="Experiments and Observations on Electricity">Experiments and Observations on Electricity</a> </b></i> is <a href="./Benjamin_Franklin" id="mwA6o" rel="mw:WikiLink" title="Benjamin Franklin">Benjamin Franklin</a>'s only scientific book?