ISBN-13: 9781544022178 / Angielski / Miękka / 2017 / 178 str.
ISBN-13: 9781544022178 / Angielski / Miękka / 2017 / 178 str.
Challenge your mind while looking for number sequences in the next volume of challenging book of number search puzzles. There are 150 puzzles, with answers, to keep you entertained for hours.