"This must surely be the most comprehensive and cosmopolitan publication about the novel ever attempted… It is difficult to praise sufficiently this splendid encyclopedia, except to say that it will not be superseded for many years to come, and that it should be given pride of place in all the best reference libraries." -- Reference Reviews
An old, classic book for kids, about plants and animals, high quality pictures and extremely simple explained all biological things in nature.The BOOK has some pages where are given only birds or plants, you can print them and used it as worksheets
One of the clearest and most straightforward texts ever published, "Understanding Mechanics" covers all the topics required in the single-subject A Level. It is equally appropriate for those preparing for other Mathematics examinations at A Level and for students on technical courses in further and higher education. The Key Points are: principles introduced in a simple and direct manner with worked examples; and ample opportunity given for practice with questions and exercises carefully graded to provide a steady progression.
Logic, the discipline that explores valid reasoning, does not need to be limited to a specific form of representation but should include any form as long as it allows us to draw sound conclusions from given information.
