A nice touch in this novel is the way it trusts the reader to connect dots.
DELFIN 1 (3 TOMOS) LB./AB.(AL/EJ) 1-7 (DELFIN 3 TOMOS POR) By Hartmut
A nice touch is the illustrated bookmark included with the book.
What stands out about this activity book is the lack of repetitive tasks.
A nice touch is the illustrated border on every single page.