Primary - Checker/O'Reilly Horizontal Logo - Usage Guideline

	Full Color for White or Light Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

	Full Color for Medium to Dark Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

	One Color for White or Light Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

	One Color for Medium to Dark Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

Secondary - Checker/O'Reilly Stacked Logo - Usage Guideline

	Full Color for White or Light Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

	Full Color for Medium to Dark Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

	One Color for White or Light Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

	One Color for Medium to Dark Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

Optional - Checker/O'Reilly Stacked No Star Logo - Usage Guideline

	Full Color for White or Light Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

	Full Color for Medium to Dark Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

	One Color for White or Light Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)

	One Color for Medium to Dark Colored Backgrounds File optimized for Web and Powerpoint (png) Acrobat Format (pdf) File for Print Resolution (eps)