What Is the Correct Reading Order for the How to Train Your Dragon Books?

Quick Answer

The main How to Train Your Dragon series by Cressida Cowell runs 12 books, published between 2003 and 2015. Read them in publication order, because each book builds on the last and the back half is one continuous war story. Start with the original 2003 book, also titled How to Train Your Dragon, and finish with How to Fight a Dragon's Fury in 2015.

One thing to set expectations: the books are very different from the DreamWorks films. Toothless in the novels is a small, bratty, toothless green hunting dragon, not a sleek black Night Fury. The story is narrated by an older Hiccup looking back on his Viking childhood on the Isle of Berk, and the tone gets darker and more political as the series progresses.

The full reading order at a glance

Arc 1: the early Viking initiation (Books 1 to 4)

The first four books are episodic and broadly comic. They are also the easiest entry point for younger readers (officially ages 8 plus, but the vocabulary and ink illustrations make them readable a little earlier as read-alouds). Hiccup Horrendous Haddock III is the unimpressive son of the chief of the Hairy Hooligan tribe. He passes his initiation by capturing a tiny green common garden dragon he names Toothless, who is a constantly hungry, badly behaved companion rather than a noble steed.

Book 3, How to Speak Dragonese, is the pivot. Hiccup turns out to be one of the few Vikings on Berk who can actually speak Dragonese, the language of dragons. That talent reframes the rest of the series. He stops shouting at dragons and starts negotiating with them, which slowly puts him on a collision course with Viking tradition.

Arc 2: the rebellion takes shape (Books 5 to 8)

The middle arc darkens. The series introduces Alvin the Treacherous, an ambitious and brilliant villain who circles back across multiple books. The DreamWorks films also borrow the name Alvin but use a very different character; in the books Alvin is a long-running, schemed-up adversary, not a one-film antagonist.

Two structural notes for readers. Book 6, A Hero's Guide to Deadly Dragons, is partly a Hiccup adventure and partly an in-world reference book, including dragon species classifications and maps. It is worth reading in order because pieces of its lore come back later. Book 7, How to Ride a Dragon's Storm, expands the world significantly with a sea voyage that introduces locations and tribes that drive the endgame.

Book 8, How to Break a Dragon's Heart, ends on the most consequential cliffhanger in the series so far. It sets up the King's Lost Things: ten legendary artifacts whose collector becomes the rightful King of the Wilderwest. From this point on, do not pause between books any longer than you have to.

Arc 3: the endgame quartet (Books 9 to 12)

The last four books are functionally one long novel cut into four pieces. They are heavier, more political, and significantly more emotional than the early adventures. Cowell uses them to deal with themes of grief, betrayal, the cost of leadership, and what it actually takes to change a culture.

If you are reading aloud to a younger child, this is the stretch where you should preview chapters. Characters die, alliances shatter, and the prose leans into doom for long sections. The payoff in How to Fight a Dragon's Fury, the 2015 finale, is one of the most satisfying conclusions in modern middle-grade fantasy, but it earns its weight by going to dark places first.

Spin-offs, companion books, and the prequel arc

Cowell wrote a number of related titles that are not part of the main 12. The Incomplete Book of Dragons (2014) is an illustrated guide to species mentioned across the series; it is a fun companion but not required for the plot. There are also early-reader picture books based on the world that are aimed at much younger children and are independent of the chapter book continuity.

Cowell's later series The Wizards of Once (2017 onwards, four books) is set in a different world entirely. If you and the kids loved Hiccup, that series is a natural next pick, but treat it as a separate universe.

Books versus films: what to flag for new readers

• Toothless in the books is a small, common, green hunting dragon who never grows much larger than a house cat. He is funny, selfish, and frequently disobedient. He is not the giant cinematic Night Fury.
• Hiccup narrates the series as an older man looking back on his childhood, which gives the prose a reflective, slightly bittersweet tone even in the early comedies.
• The Viking tribes, the geography, and the dragon politics are far more developed in the books than the films have time for.
• Cowell illustrates her own books in a scratchy, hand-drawn ink style. The margins are full of doodles, lists, and footnotes that are part of the experience. Do not skip an audiobook-only read for the first time; you will miss most of the visual jokes.

Format and edition notes

The series is widely available in paperback and hardcover from Hachette Children's Books (Hodder Children's Books imprint in the UK, Little, Brown Books for Young Readers in the US). Audiobook versions narrated by David Tennant are the consensus pick if you want to go that route after a first illustrated read. The illustrations matter, so if you are gifting, prefer a print copy for at least the first read.

The takeaway

Twelve books, publication order, start with How to Train Your Dragon (2003) and end with How to Fight a Dragon's Fury (2015). The first four are episodic comic adventures, the middle four build the rebellion, and the final four are one continuous epic. Go in expecting a much weirder, funnier, and ultimately darker story than the films told. The journey is worth the 12-book commitment.