back bone
spine
It is called a Spine
Theres is not going to be a bone book 10.
That bone is called as coccyx. This bone is remnant of the tail that you have lost during evolution.
Invertebrates.
vertebrae
vertebra
vertebral column
According to Jenny Nimmo's website there will not be a 9th Charlie Bone book. The 8th book should be comming out in September 2009. That book will be called "Charlie Bone and the Red Knight".
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According to my research. You can find it in your book!
The lower rear portion of the skullBack of the head.
Animals with a backbone are called Vertebrates.
An Animal with a Backbone is called a vertebrate.