Hip hip hooray, The Jolly Postmanis 20 years old! Still as exciting to children as the day it first published, this international award winner and its two successors have sold more than 6 million copies around the world. This gorgeous anniversary edition has a free letter set keepsake containing 10 special Jolly Postman letters, 10 decorated envelopes and a sticker sheet.

This work is the only comprehensive guide to sequels in English, with over 84,000 works by 12,500 authors in 17,000 sequences.

Provides biographical information on over 100 authors of books for young readers.

Parabola is a mathematics magazine published by UNSW, Sydney. Among other things, each issue of Parabola has contained a collection of puzzles/problems, on various mathematical topics and at a suitable level for younger (but mathematically sophisticated) readers. Parabolic Problems: 60 Years of Mathematical Puzzles in Parabola collects the very best of almost 1800 problems and puzzles into a single volume. Many of the problems have been re-mastered, and new illustrations have been added. Topics covered range across geometry, number theory, combinatorics, logic, and algebra. Solutions are provided to all problems, and a chapter has been included detailing some frequently useful problem-solving techniques, making this a fabulous resource for education and, most importantly, fun! Features Hundreds of diverting and mathematically interesting problems and puzzles. Accessible for anyone with a high school-level mathematics education. Wonderful resource for teachers and students of mathematics from high school to undergraduate level, and beyond.

DigiCat Publishing presents to you this special edition of "The Mystery of the Spiteful Letters" by Enid Blyton. DigiCat Publishing considers every written word to be a legacy of humankind. Every DigiCat book has been carefully reproduced for republishing in a new modern format. The books are available in print, as well as ebooks. DigiCat hopes you will treat this work with the acknowledgment and passion it deserves as a classic of world literature.