Here is the full list of all 4536 BOOKS achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Reading room
Click on the left arrow
Click on the right arrow
Exit the game
Complete the book "Spider"
Answer to question 5
Answer to question 4
Answer to question 3
Answer to question 2
Answer to question 1
Open the book "Spider"
Complete the book "Squirrel"
Open the book "Squirrel"
Complete the book "Monkey"
Open the book "Monkey"
Complete the book "Rhinoceros"
Open the book "Rhinoceros"
Complete the book "Wolf"
Open the book "Wolf"
Complete the book "Ray"
Open the book "Ray"
Complete the book "Sea urchin"
Open the book "Sea urchin"
Complete the book "Deer"
Click on the spinner
Open the book "Deer"
Complete the book "Kangaroo"
Open the book "Kangaroo"
Complete the book "Hedgehog"
Open the book "Hedgehog"
Complete the book "Crab"
Open the book "Crab"
Complete the book "Parrot"
Open the book "Parrot"
Complete the book "Pig"
Open the book "Pig"
Complete the book "Horse"
Open the book "Horse"
Complete the book "Skunk"
Open the book "Skunk"
Complete the book "Owl"
Open the book "Owl"
Complete the book "Turtle"
Open the book "Turtle"
Complete the book "Raccoon"
Open the book "Raccoon"
Complete the book "Whale"
Open the book "Whale"
Complete the book "Jellyfish"
Open the book "Jellyfish"
Complete the book "Elephant"
Open the book "Elephant"
Complete book "Platypus"
Complete the book "Platypus"
Open the book "Platypus"
Complete the book "Hare"
Open the book "Hare"
Complete the book "Snake"
Open the book "Snake"
Complete the book "Shark"
Open the book "Shark"
Complete the book "Chicken"
Open the book "Chicken"
Complete the book "Ostrich"
Open the book "Ostrich"
Complete the book "Dog"
Open the book "Dog"