Magic Tree Silhouettes 2014 CoolDiary. The CoolDiary Silhouettes range have to be some of the classiest diaries around. In the Magic Tree diary, you'll get elegant silhouettes of a tree bedecked with all kinds of everyday items. Who knew all these things grew on trees! These diaries offer a week view double page spread with space for writing notes and for mapping out your timings during the day. The sewn binding, elastic band closure and firmly built pocket all make this diary both elegant and practical.