Thomas Cleary is a/an Author. Author has example: Neil Gaiman
[Human]: Do you know Thomas Cleary? [Assistant]: Yes, Thomas Cleary is an Author. Similar to Neil Gaiman and Lori Lansens.  [Human]: Could you recommend good works by him [Assistant]: Sure. Neil Gaiman wrote The Graveyard Book and The Absolute Sandman Volume One. [Human]: What genre are these? 
The Graveyard Book is listed as science fiction and The Absolute Sandman Volume One is listed as historical non-fiction.