ISBN-13: 9781544158563 / Angielski / Miękka / 2017 / 178 str.
ISBN-13: 9781544158563 / Angielski / Miękka / 2017 / 178 str.
Challenge your mind while looking for number sequences in this challenging book of number search puzzles. There are 150 puzzles, with answers, to keep you entertained for hours. If you like a challenge, check out these books: