The mark consists of three pink bar graphs facing up inside of a green arrow pointing up forming the letter b which interlocks with the pink letter g above the words books by g which has a plus and minus symbol in each letter of the word Books. The work Books is in green while the math symbols are in pink. The word By is white inside of a pink circle. The letter G is also in pink..
The color(s) green, pink, white is/are claimed as a feature of the mark.