Bar­ry Joseph would nev­er have guessed his first book would be on the top­ic of seltzer. Maybe dig­i­tal learn­ing. Or game design. Or some­thing he ACTU­AL­LY knew some­thing about, like youth devel­op­ment or muse­um stud­ies. But no — it turned out to be seltzer. Goes to show the dan­gers of stop­ping to smell the ros­es: unex­pect­ed pas­sions can be ignited.