A nice touch is the illustrated half-title page with a hidden clue.
666 by Salem Kirban (PB, 1976, VG)
You will find that this activity book sparks imagination with open-ended prompts.
You will find that the illustrated scene breaks are like mini paintings.
What stands out is how every animal fact is illustrated with a drawing.
A nice touch is the sticker sheet included in this activity book for rewards.
A nice touch is the illustrated copyright page with tiny animals.