To Catch a Rabbit and Bones in the Nest are available in, or can be ordered from, all good bookstores in the UK, US, Canada and Australia.
You can buy Bones in the Nest online at the links below.
Allison and Busby
Bones in the Nest is available on audio CD, read by Jonathan Keeble from Oakhill Publishing. It is available to buy from both Oakhill and Audible: