On board pages with diecut holes on the cover and each spread On board pages with pull tabs on each spread Board book with die-cut holes in covers and other pages. Board book with die-cut holes in front cover and other pages Board book with die-cut hole in front cover and other pages On board pages with tabs on the right-hand side. Board book, with die-cut hole in front cover and sliding tabs On board pages, with die-cut roof and cutout in cover Board book, with die-cut hole in front cover and sliding tabs. Board book, with die cut holes through to back cover