Jeff Kinney is the author of the Diary of a Wimpy Kid series.
A typical single Diary of a Wimpy Kid book is about 224 pages; some boxed collections that combine multiple volumes total about 896 pages.
Some product listings note an F&P (Fountas & Pinnell) reading level of T for specific editions. Review summaries and product details commonly describe the books as easy for children to pick up—suitable for early independent readers—and some editions are noted as being well-suited for readers with dyslexia.
Yes. Product details reference companion books told from Greg’s friend Rowley Jefferson, such as Diary of an Awesome Friendly Kid and related Rowley Jefferson adventure and spooky stories.
Diary of a Wimpy Kid (#1), Rodrick Rules (#2), The Last Straw (#3), Dog Days (#4), The Ugly Truth (#5), Cabin Fever (#6), The Third Wheel (#7), Hard Luck (#8), The Long Haul (#9), Old School (#10), Double Down (#11), The Getaway (#12), The Meltdown (#13), Wrecking Ball (#14), The Deep End (#15), Big Shot (#16), Diper Överlöde (#17), No Brainer (#18), Hot Mess (#19), Partypooper (#20).
Most listings show a suggested age of 8–12 years; some editions list 9–12 or 13–19, and one box-set description notes “suitable for ages 7–12.”
Listings include hardcover and paperback editions; some sets are sold as mixed-media products or as hardcover gift/box collections (often described as a "hardcover gift set" or "Mixed Media Product").
Most listings are in English; at least one listing is available in Spanish.