An Encyclopaedia of Greek and Roman Gods and Heroes is by Brian Moses.  It a reference specialising in encyclopaedia for Year 6/P7 and is part of the Pelican Big Books fiction/non-fiction. 

• Specifically written and designed to math the NLS term-by-term requirements.
• Highly visible text for shared reading.
• Memorable texts by top authors with stunning illustrations.
• National Curriculum and QCA topic links in many books.
• Teacher’s Notes in every book provide ideas for class and group work.