Clockwork
...that Philip Pullman's novel Clockwork was adapted into an opera for children?
...that <a href="./Philip_Pullman" id="mwDUY" rel="mw:WikiLink" title="Philip Pullman">Philip Pullman</a>'s novel <i id="mwDUc"><b id="mwDUg"><a href="./Clockwork_(novel)" id="mwDUk" rel="mw:WikiLink" title="Clockwork (novel)">Clockwork</a></b></i> was <a href="./Literary_adaptation" id="mwDUo" rel="mw:WikiLink" title="Literary adaptation">adapted</a> into an <a href="./Opera" id="mwDUs" rel="mw:WikiLink" title="Opera">opera</a> for children?