This is one of those rare Newbery winners that actually deserves the medal. Raskin built a genuinely clever puzzle-box of a novel that respects young readers' intelligence.
The structure—sixteen heirs paired up to solve clues about who 'killed' Sam Westing—creates natural momentum even though it's not a modern thriller. Kids who love mysteries, wordplay, or feeling smart will eat this up. The cast is memorably quirky without being cartoonish, and the character growth feels earned.
Yes, it's from 1978 and occasionally shows its age (some ethnic stereotypes that were probably progressive then but feel clunky now, very 70s gender dynamics). But nothing that'll harm a kid—just maybe worth a quick conversation about how times change.
The real question is whether your kid has the patience for it. This isn't a Netflix-paced thriller. It's a slow-burn puzzle that rewards rereading and attention to detail. Kids who race through books might miss half the clues. But for the right reader—the one who likes figuring things out, who notices patterns, who doesn't need constant action—this is genuinely excellent.
It holds up way better than most 'classic' children's books. You won't be forcing your kid through something dusty and boring just because it won awards.