I have posted the ebooks which are free to download and here you can find books on electronics,computer science,embedded system,VLSI,wireless communication,C&C++,Digital electronics...I will update the post so keep watching it.Thank you

DSP:
1. Intergated circuit
2. DSP BASICs
2. DSP basics II
3. Digital Color-Image Processing
4. DSP Handbook
5. Introduction to DSP
6. Embedded processor & DSP selection guide
7. Time Digital Signal Processing - Based on the TMS320C6000

Embedded system:

1. Introduction to Embedded System Design using Field Programmable Gate Arrays
2. The Art of Designing Embedded Systems, Second Edition
3. Principles of Embedded Networked Systems Design
4. Embedded Microcontroller Interfacing for M-CORE Systems
5. Hands-On ZigBee: Implementing 802.15.4 with Microcontrollers
6. Embedded Design using Rabbit 3000 Microprocessor: Interfacing, Networking, and Application Development
7. Embedded Microprocessor System
8. Embedded C
9. Analog Interfacing to Embedded Microprocessor Systems.pdf
10. Distributed Embedded Control Systems

C & C++:

1. ANSI/ISO C++ Professional Programmer's Handbook-Danny Kalev
2. Common-Sense C: Advice and Warnings for C and C++ Programmers-Paul Conte
3. C Programming for Scientists and Engineers (Manufacturing Engg Series)-Robert L. Wood

Wireless:

1. Wireless LAN Radios: System Definition to Transistor Design-Arya Behzad
2. Computational Electronics-Stephen M. Goodnick
3. Fundamentals Of Power Electronics With MATLAB-Randall Shaffer
4. The Future of Wireless Communications-William Webb
5. Next Generation Wireless LANs: Throughput, Robustness, and Reliability in 802.11n-Eldad Perahia
6. Smart Antennas For Wireless Communications (Professional Engineering)-Gross, Frank
7. Fundamental of Wireless Communication
8. Transceiver Systems Design
9. Wireless Sensor Network Designs.pdf

VlSI:

1. Digital Integrated Circuit Design: From VLSI Architectures to CMOS Fabrication-Hubert Kaeslin
2. Practical Problems in VLSI Physical Design Automation-Sung Kyu Lim
3. Principle Of CMOS vlsi design- Weste Eshraghim


DIGITAL:
1. Foundations of Analog and Digital Electronic Circuits-Anant Agarwal
2. Electrical circuits-DC
3 .Engineering Digital Design
4 .Introduction to Digital Electronics -John Crowe, Barrie Hayes-Gill
5. Performance Audio Power Amplifiers
6. Digital Consumer Technology Handbook

EMF:

1. EMFT Book.pdf

Sampling:

1. Sampling and quantization
2. Signal processing with C++ n java.

Communication:

1. Telecommunications.pdf
2. Communication System

Processor:
1. The rise of media processors.pdf
2. Intel Processor
3. Microprocessor

Microcontroller:
1. PIC_MicroController_Project_Book.rar