Optical tricks

I spy Christmas : a book of picture riddles

I spy : super challenger! a book of picture riddles

Can you see what I see? : once upon a time

I spy ultimate challenger! : a book of picture riddles

I spy extreme challenger! : a book of picture riddles

Can you see what I see? The night before Christmas : picture puzzles to search and solve

A ray of light : a book of science and wonder

I spy merry Christmas

I spy a skeleton

I spy school days : a book of picture riddles

I spy letters

Xiao yuan mi gong = Xiaoyuan migong

I spy a pumpkin

I spy A to Z : a book of picture riddles

I spy a dinosaur's eye : riddles

I spy a scary monster

I spy lightning in the sky

I spy a balloon

I spy an apple

I spy funny teeth : riddles

I spy Thanksgiving

Shen ye gu bao = Shenye gubao

Zui hou de bao zang = Zuihou de baozang

I spy Santa Claus

I spy school

I spy a butterfly

I spy a school bus : riddles

I spy an egg in a nest