Відповідно до Постанови Кабінету Міністрів України від 19 березня 1994 р. №172, друковані видання належної якості обміну (поверненню) не підлягають.
Trackers gives struggling readers the motivation and interest to want to read. It teaches and practises high frequency words, phonics, syntax and semantics, whilst complementing and extending the Additional Literacy Support (DFES) and Further Literacy Support (DFES) initiatives. The teaching support, high quality PCMs in the Teacher's Guides has been written for the range of adults who work with struggling readers. Trackers Variety fiction enables the struggling reader to read the same authors as their peers whilst broadening their reading experience. Other Trackers strands, available for all Trackers levels, are: Non-fiction, Space School Stories, Space School Stories software. This book is also available as part of a mixed pack of 2 different books or a class pack of 12 books.