Schaum's Outline Plane and Spherical Trigonometry Frank Ayres Jr McGraw-Hill WHAT IS IT? A classic study guide from the Schaum's Outline Series, "Plane and Spherical Trigonometry" by Frank Ayres, Jr. Includes 680 solved problems completely explained in detail. WHO IS IT FOR? Math students, tutors, or anyone reviewing trigonometry fundamentals. DETAILS: Softcover published by McGraw-Hill Book Company. CONDITION: FAIR. Shows shelf wear, corner creases, and page tanning typical for this series' age. Fully readable and complete. SEARCH TERMS: Schaum's Outline, Trigonometry Study Guide, Frank Ayres Jr, Math Textbook, Solved Problems, McGraw-Hill. INV: 235 | BX: B52 Reasonable offers welcome. Ships within 1 business day from Good Clucking Threads (Business days are Monday–Friday, excluding postal holidays). Questions? Happy to help. #Vintage