Our reviews and ratings are 100% unbiased. Screenwise is a Bookshop.org affiliate and an Amazon Associate, so if you buy a book through one of our links, we may earn a commission. Bookshop.org purchases also support independent bookstores.
Screenwise Verdict
If you’re trying to move a kid from picture books to chapter books, this series is the gold standard. It’s not 'brain rot' and it’s not homework; it’s just a very funny book about a very spoiled pig.
It’s 20 years old but feels timeless because buttered toast and car rides never go out of style. Mercy is a chaotic neutral icon who just wants what we all want: snacks and a breeze in our hair. Highly recommended for any home library.
Age Fit
Perfect for the 5-to-8 crowd. If your 4-year-old has the patience for a short chapter book read-aloud, they'll love the pictures and the pig's antics.
WISE Breakdown
Wholesome
95
It’s a warm, hilarious story about a family that loves their 'porcine wonder' unconditionally. The stakes are low, the buttered toast is plentiful, and the tone is perfectly balanced for young children.
Imaginative
88
A pig who thinks she's a person and wants to drive a pink convertible is the right kind of absurd. The retro-style illustrations add a layer of visual whimsy that sparks curiosity.
Safe
98
Zero red flags. The most 'dangerous' thing that happens is a pig sitting in a driver's lap, which is played for pure slapstick comedy. No scary themes or inappropriate language.
Enriching
85
Kate DiCamillo is a master of using 'big' words (like porcine and wonder) in a way that early readers can actually grasp. It’s a perfect bridge from picture books to longer fiction.
Parent Info
✓
Why It Might Be Great
The vocabulary is punchy; DiCamillo uses sophisticated words without making it feel like a spelling bee.
Chris Van Dusen’s illustrations have a cool, 1950s retro vibe that keeps kids visually engaged.
It’s actually funny for adults, which is a mercy when you're reading it for the fifth night in a row.
Short chapters and large text build massive confidence in kids who are just starting to read solo.
⚠
What to Watch For
The Watson parents are borderline delusional about their pig, which might lead to some 'why can't our dog drive?' logic from a toddler.
Mercy is motivated entirely by buttered toast, so be prepared for some specific breakfast demands.
Conversation Starters
"Why do you think Mercy wanted to sit in the front seat so badly?"
"If you were a 'porcine wonder,' what would your favorite snack be?"
"Does Mr. Watson ever get mad at Mercy? Why do you think he's so patient with her?"
