Text ( visual ) : unmediated The ultimate Discworld companion / Terry Pratchett snd Stephen Briggs ; illustrated by Paul Kidby. -- : export trade pbk. -- London : Gollancz , 2021. -- xv, 424 p. : ill. ; 24 cm. -- ISBN 9781473223516 ; (BC09766074) ; https://ci.nii.ac.jp/ncid/BC09766074 Author Heading(s): Pratchett, Terry ; Briggs, Stephen ; Kidby, Paul. -- Classification(s): DC23 : 823.92. -- Subject Heading(s): LCSH : Pratchett, Terry -- Settings ; LCSH : Pratchett, Terry -- Characters ; LCSH : Discworld (Imaginary place) -- Encyclopedias