Sir Arthur Conan Doyle & A L Stringer 
Sherlock Holmes in Simple English: Silver Blaze [EPUB ebook] 

A famous racehorse disappears just before an important race and its trainer is found dead outside the stables. Holmes and Watson are soon on an express train heading for the scene of the crime, a lonely village in the wilds of Dartmoor in the west of England.
This book is a graded reader. The story has been retold in modern English for students of English as a foreign / second language at intermediate level (CEFR B1) and younger native speakers.
Features
•    Comprehension and vocabulary tasks
•    Summary of the story
•    Endnotes for difficult words, place names and cultural references
•    Word list at the end of the book