TY - BOOK N2 - After Triangle plays a trick on Square, Square plans to reciprocate but runs into trouble when he tries to enter the triangular doorway of Triangle's home. AB - After Triangle plays a trick on Square, Square plans to reciprocate but runs into trouble when he tries to enter the triangular doorway of Triangle's home. T1 - Triangle / AU - Barnett, Mac, AU - Klassen, Jon, ET - First edition. CN - PZ7.B26615 CN - PZ7.B26615 ID - 808131 KW - Shapes KW - Picture books for children. KW - Shape KW - Humorous stories. SN - 9780763696030 SN - 076369603X TI - Triangle / ER -