Dragon Orb Series by Mark Robson

Dragon's in Areth each have a single predestined rider and a single life mission, given to them by the Oracle. But this once all-powerful being is now fatally damaged and fading fast... Only the dragons and their riders can save it!Nolita is terrified of dragons! Learning to fly her day dragon would be dangerous enough without irrational fears to contend with and a vicious dragon-hunter on her tail... moreDragon's in Areth each have a single predestined rider and a single life mission, given to them by the Oracle. But this once all-powerful being is now fatally damaged and fading fast... Only the dragons and their riders can save it!Nolita is terrified of dragons! Learning to fly her day dragon would be dangerous enough without irrational fears to contend with and a vicious dragon-hunter on her tail. With Elian, another novice rider, Nolita seeks the first of four Orbs, whose combined power can restore the Oracle. Only Nolita, as a day dragon rider, can claim it. To do so, she must face her worst fears, and face them alone... less

Dragon's in Areth each have a single predestined rider and a single life mission, given to them by the Oracle. But this once all-powerful being is now fatally damaged and fading fast... Only the dragons and their riders can save it! Pell and his night dragon Shadow must find the dark orb to help save the Oracle, leader of all dragonkind. But Segun, a power-hungry tyrant, stands in their way... moreDragon's in Areth each have a single predestined rider and a single life mission, given to them by the Oracle. But this once all-powerful being is now fatally damaged and fading fast... Only the dragons and their riders can save it! Pell and his night dragon Shadow must find the dark orb to help save the Oracle, leader of all dragonkind. But Segun, a power-hungry tyrant, stands in their way. Pell must use his flying skills, bravery and resourcefulness to the limit, as Segun is determined to get the orb - even if it means killing the opposition… less

Dragons in Areth each have a single predestined rider and life mission, given to them by the Oracle. Kira and her dusk dragon, Longfang, must find the third orb to save the Oracle, leader of all dragonkind. Following a path beset with dangers and traps, the four dragonriders must reach the twilight world of the Castle of Shadows. Kira knows enough to be anxious. What twisted sacrifice will thisorb demand?

In this final installment four dragon riders are on a mission to save their world Elian and his dawn dragon, Aurora, lead the search for the fourth and final orb. Pursued by night dragons and helped by a World War I airman, the four dragon riders are drawn into a huge aerial battle between all the dragon enclaves. The ultimate fate of dragonkind hangs by a thread. To restore order, a terrible price must be paid.