Pervasive Developmental Disorder, or PDD, is the umbrella term used to cover the whole family of autistic spectrum disorders - including autism and Asperger Syndrome. Within this group there is a subgroup called NOS - not otherwise specified - which covers the conditions which do not quite meet the diagnostic criteria for autism or Asperger Syndrome. Because PDD covers such a wide spectrum, it presents very differently from child to child.Written principally for parents, this is a ...

Autism Spectrum Disorder, or ASD, is the umbrella term used to describe a whole family of related conditions. Within this group, there is a subgroup of conditions known as PDD (NOS) - Pervasive Developmental Disorder (not otherwise specified) - which do not quite meet the diagnostic criteria of Autism or Asperger Syndrome. Written specifically for parents, this fully-updated second edition sets out what it means for a child to be diagnosed with ASD, PDD (NOS), autism or Asperger Syndrome, ...

Some unusual terms are frequently used in Bitcoin documentation and discussions which now deserve some explanation. This glossary is intended to help the reader understand the meaning of Bitcoin-related terms.

The book begins with an analysis of "What is Money". The concept of "money" is complex. History teaches us that "money" is not always issued as "currency" by a government. Instead, it derives from social customs and needs. Next, the book addresses the concept of Bitcoin, the blockchain, laws and regulations, litigation and the future of the technology. It concludes with a glossary of terms and a comprehensive appendix of relevant legal documents.