Lacey, Josh. Dragonsitter (Series) #6

"Originally published in Great Britain in 2016 by Anderson Press Limited"--Title page verso

"Eddie takes the dragons with him on his vacation to London, but it's not long before disaster strikes and both dragons go missing. From the Natural History Museum to the London Eye, through tube stations, hotels and the London Zoo, Eddie chases his dragons, hoping to avert disaster. Will he catch them before they cause a national catastrophe?"--

Contains excerpt of the next Dragonsitter series