What is the theme/deeper meaning/lesson of Truly Devious by Maureen Johnson?

basically its this i hope this helps sorry if im wrong

Truly Devious is a long form, arch-plot, realistic, drama that turns on justice and injustice (or, life and death because the justice isn't served by novel's conclusion).

Explanation:

i think its this

beowulf sets out on his journey for daneland. -- 1

hrothgar welcomes beowulf. -- 2

beowulf waits for grendel to attack heorot. -- 3

beowulf succeeds in defeating grendel by tearing off his arm. -- 4

beowulf fights with grendel’s mother. -- 5

beowulf sets out for his fight with the dragon. -- 6

beowulf sets out for his geatish homeland. -- 7

the publisher is the publishing date is the author is

united states of america . . 1942 . . t. s. eliot

houghton mifflin company . . 2002 . . gregory stock

houghton mifflin company . . 1942 . . t. s. eliot

houghton mifflin company . . 2002 . . robert overholtzer