They should. If they haven't sent you the call letter then you may print it from PIEAS website.

Following are some suggested books and topics for Electrical Engineers applying in PIEAS (Serial 1 to 8 are to be prepared by all applicants).
1.Basic Calculus i.e. Differentiation plus Integration (Can be prepared from F.Sc 2nd year Mathematics or Calculus by Thomas Finney)
2.Differential Equations (From Advanced Engineering Mathematics by Erwin Kreyszig)
3.Complex Variables i.e. s-transforms, z-transforms, mappings etc (From Advanced Engineering Mathematics by Erwin Kreyszig or Complex Analysis by George Cain)
4.Boolean Algebra (Digital Design by Morris Mano)
5.Vector Algebra (From Advanced Engineering Mathematics by Erwin Kreyszig or 7th Chapter of F.Sc 2nd year Mathematics)
6.Matrices (F.Sc 1st year Mathematics)
7.Statistics(From Advanced Engineering Mathematics by Erwin Kreyszig)
8.Mechanics, Wave theory, Thermodynamics, Electricity and Magnetism, light and optics, modern Physics (From F.Sc Physics or for detailed study Physics for Scientists and Engineers by Serway and Jewett)
9.Electric Circuits, Electric and Magnetic Field theory, digital logic, Analog and Digital Electronic Circuits, Linear control Systems, Power Systems (From Sumitra Professional Series Electrical Engineering Objective Type by M.Handa and A.Handa)
10.Analog and Digital Communication (From Modern Digital and Analog Communication Systems by B.P Lathi)
If anyone needs any book (except number 9 Objective book which is available in the market in hard form) in soft form may contact...