_:vb50823470 "Dave Cramer" . _:vb50823476 . _:vb50823476 . _:vb50823475 . . . "EPUB 3.3 Reading Systems" . _:vb50823474 . . _:vb50823476 . _:vb50823473 . _:vb50823472 "Ivan Herman" . . _:vb50823472 . _:vb50823474 "Marisa DeMeglio" . _:vb50823470 . . _:vb50823471 . _:vb50823471 . . _:vb50823474 . _:vb50823475 . _:vb50823473 "Garth Conboy" . _:vb50823471 "Matt Garrish" . _:vb50823472 . _:vb50823470 . "2021-02-24" . _:vb50823473 . _:vb50823475 "Daniel Weck" .