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A fun, colorful and many-sided board book for toddlers.A many-sided board book providing toddlers with a lot of fun. For little nature researchers ages 30 months and up, with a focus on language devel

A many-sided board book with stories and puzzlesAn interactive, many-sided board book providing toddlers with a lot of fun while learning new words. For little nature researchers ages 30 months and up

When Trixie comes to visit, Lizzy, the Little Witch, decides to conjure up a magic carpet for them. “Abracadabra, abracaduss, Carp

It’s Lizzy the Little Witch’s birthday, but Cat has gone missing. She’s not at the Witch Village Market, and she’s not in the Witch This-‘n’-That Shop, and she’s not in the Witch Pet Store. Can Lizzy

The international bestseller Curious Little Witch is now available in the US in board book format! Lizzy is a curious little witch. Late one night she spots an old house all lit up when everyone els

What happens when a little witch gets curious? An international bestseller comes to the US! Lizzy is a curious little witch. Late one night she spots an old house all lit up when everyone else is asl

Christmas is coming and there’s still so much to do! Lizzy, the little witch, doesn’t know where to begin. The Christmas tree needs to be trimmed, pies need to be baked, and to top it all off, Lizzy f

Analyzes the theories of myth of Cassirer, Barthes, Eliade, and Hillman and offers an alternative original account of myth-making as an essential strand of cultural production.

This book gives applications of the theory of process algebra, or Algebra of Communicating Processes (ACP), that is the study of concurrent or communicating processes studied using an algebraic framework. The approach is axiomatic; the authors consider structures that are some set of mostly equational axioms, which are equipped with several operators. Thus the term 'algebra' is used in the model-theoretic sense. The axiomatic approach enables one to organize the field of process theories. The theory is applied systematically to a number of situations, including systolic algorithms, semantics of an object-oriented language, and protocols. It will be welcomed by computer scientists working in parallel programming.

Process algebra is a widely accepted and much used technique in the specification and verification of parallel and distributed software systems. This book sets the standard for the field. It assembles the relevant results of most process algebras currently in use, and presents them in a unified framework and notation. The authors describe the theory underlying the development, realization and maintenance of software that occurs in parallel or distributed systems. A system can be specified in the syntax provided, and the axioms can be used to verify that a composed system has the required external behaviour. As examples, two protocols are completely specified and verified in the text: the Alternating-Bit Protocol for Data Communication, and Fischer's Protocol of Mutual Exclusion. The book serves as a reference text for researchers and graduate students in computer science, offering a complete overview of the field and referring to further literature where appropriate.