adventurous mysterious medium-paced
Plot or Character Driven: Plot
Strong character development: Yes
Loveable characters: Complicated
Diverse cast of characters: Complicated
Flaws of characters a main focus: Yes
challenging dark mysterious sad fast-paced
Plot or Character Driven: A mix
Strong character development: Yes
Loveable characters: Yes
Diverse cast of characters: Complicated
Flaws of characters a main focus: Yes

Not surprised by the killer identity at all.
mysterious fast-paced
dark emotional mysterious sad tense medium-paced
Plot or Character Driven: Character
Strong character development: Yes
Loveable characters: Yes
Diverse cast of characters: Yes
Flaws of characters a main focus: Yes
fast-paced
Loveable characters: Yes

Hmm - this is at least the third time Ms. Christie has used part of a note/letter as a suicide note. Usually enjoy her books but the characters were annoying and just wanted to get to the end to see who dunit.
adventurous dark lighthearted mysterious fast-paced
Plot or Character Driven: Plot
Strong character development: No
Loveable characters: Complicated
Diverse cast of characters: Yes
Flaws of characters a main focus: Yes

A FUN ONE!
adventurous dark lighthearted mysterious fast-paced
Plot or Character Driven: Plot
Strong character development: No
Loveable characters: Complicated
Diverse cast of characters: Yes
Flaws of characters a main focus: Yes