Forest Kingdom Books in Order

The Forest Kingdom books start with one of Green's best setups. Prince Rupert, the unwanted second son of a struggling royal house, is sent off on what looks very much like a suicide mission to kill a dragon. Instead of a straightforward quest, Blue Moon Rising turns into a sly, funny, and increasingly dark fantasy about bad rulers, fairy-tale expectations, and the difference between looking heroic and actually being useful.

Rupert matters, but he is not alone for long. Princess Julia is every bit as formidable as he is, and usually more practical. Around them Green gathers a dragon, a unicorn, witches, warlocks, soldiers, and all sorts of creatures that make the world feel half legend and half trouble waiting to happen. The setting itself is just as important, especially the Darkwood, that creeping place of corruption and nightmare that presses against the kingdom and keeps reminding everyone that old evils do not stay quiet forever.

The jokes land, but the danger is real.

What makes the series especially interesting is that Green does not keep telling the same story from the same angle. Blood and Honor shifts to a different part of the kingdom and follows a dangerous succession struggle at Castle Midnight, while Down Among the Dead Men moves to a haunted frontier fort and shows what the aftermath of war looks like on the edges of civilization. Those later books make the world feel bigger than Rupert's own court and give the series more than one flavor.

The connection to the Hawk and Fisher books also matters. The Forest Kingdom and Haven exist in the same wider setting, and Green eventually uses that overlap to let older heroes return, older choices come back, and unfinished business rise again in Beyond the Blue Moon and Once in a Blue Moon. By then the series has become partly about aging, legacy, and what happens after the kingdom is saved and life stubbornly continues.

If you are looking for clean, solemn epic fantasy, this is not that. Forest Kingdom is more playful, more willing to mix myth with sarcasm, and more interested in throwing familiar fantasy shapes together until they spark. You get quests, monsters, prophecies, doomed castles, and demon threats, but you also get characters who talk like people under pressure, not statues in a legend. That mix is a big part of the charm.