Best Selling Books by Robert Harper

This book presents the official, formal definition of the programming language ML including the rules for grammar and static and dynamic semantics. ML is the most well-developed and prominent of a new group of functional programming languages. On the cutting edge of theoretical computer science, ML embodies the ideas of static typing and polymorphism and has also contributed a number of novel ideas to the design of programming languages. Contents: Syntax of the Core. Syntax of Modules. Static Semantics for the Core. Static Semantics for Modules. Dynamic Semantics for Modules. Programs. Appendixes: Derived Forms. Full Grammar. The Initial Static Basis. The Initial Dynamic Basis. The Development of ML.

This book offers a fresh perspective on the fundamentals of programming languages through the use of type theory.

In the throes of World War II, two brothers enlist in the Royal Airforce''s Bomber Command. As the war intensifies, they soar into the perilous skies, leaving behind their families and loved ones. This harrowing yet heartfelt novel captures the bravery, sacrifice, and deep bond between these young men as they face unimaginable dangers on raids over Nazi occupied Europe. As the brother''s fates are sealed in the unforgiving theatre of war, their loved ones are left to grapple with the heartbreak of loss and the devastating cost of duty. From Above is not only a tribute to the courage of the few who fought in the skies, but also a poignant exploration of the far-reaching shadows cast by war. With rich historical detail and emotional depth, this true story of brotherhood, love, and loss will resonate with readers long after the final page is turned.

This street atlas of London contains a large amount of detail, with land use clearly colour coded to aid use. It includes thousands of updates and has involved extensive and exhaustive research on the ground. It incorporates mapping at four different scales, ranging from route planning maps to large-scale central area maps.

Electrical Principles 8e has been revised to underpin the UEE30820 Certificate III in Electrotechnology Electrician qualification. Written to AQF level 3, this edition has been strengthened to align to the new units of competency, and further address new emerging technologies. Additional chapters make the text also usable for UEE22020 Certificate II in Electrotechnology (Career Start), broadening the appeal and giving students the opportunity to carry the same text through two qualifications.

UN CLÁSICO INTERNACIONALMENTE ACLAMADO CON MÁS DE 2 MILLONES DE EJEMPLARES VENDIDOS Si está usted dispuesto a ser sincero y riguroso consigo mismo para llevar a cabo un profundo autoanálisis de sus pensamientos y de sus emociones, este libro puede ser el más importante que jamás haya leído. Pues, aunque no promete milagros, le puede ayudar más que todos los eufóricos libros de autoayuda juntos. La Terapia Racional Emotivo-Conductual (TREC) le enseñará a identificar los principales problemas emocionales que solemos padecer las personas. Pero, ¿qué podemos hacer para dejar de fustigarnos a nosotros mismos con Creencias Irracionales y fortalecer nuestro mundo emocional? La respuesta nos la ofrecen los autores que nos muestran qué hacer para cambiar las emociones y los pensamientos que nos hacen sufrir por otros que nos harán ser felices en cualquier situación. Lo importante no es la situación sino lo que yo percibo de la situación, es decir, mis pensamientos y mis emociones. Aquí encontrará métodos prácticos y probados para cambiar las emociones y las conductas con las que usted se perjudica a sí mismo. Métodos que son un reflejo de la dilatada experiencia de los autores como terapeutas y profesores de terapeutas de todo el mundo, y que han sido respaldados por centenares de estudios e investigaciones. «Éste es un libro que se ha convertido en una referencia obligada y que, muy probablemente, seguirá siéndolo durante los años venideros. Sin lugar a dudas, esta nueva edición va a resultar especialmente valiosa para los lectores de hoy en día, que tienen que afrontar retos sin precedentes en su vida diaria.» Melvin Powers, editor de Wilshire Book Company

A brand new book by the author Robert Harper. Follow the very lazy caterpillar on his journey to become a butterfly and meet his friends Boris, Sally, Wendy and others along the way.