**EXHIBIT 31.1****CERTIFICATION**I, Joe R. Davis, certify that:1. I have reviewed this quarterly report on Form 10-Q of Consolidated Graphics, Inc.;2. Based on my knowledge, this report does not contain any untrue statement of a materialfact or omit to state a material fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading with respect to the periodcovered by this report;3. Based on my knowledge, the financial statements, and other financial informationincluded in this report, fairly present in all material respects the financial condition, resultsof operations and cash flows of the registrant as of, and for, the periods presented in thisreport;4. I am responsible for establishing and maintaining disclosure controls and procedures(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financialreporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:a) Designed such disclosure controls and procedures, or caused such disclosurecontrols and procedures to be designed under my supervision, to ensure that materialinformation relating to the registrant, including its consolidated subsidiaries, is madeknown to me by others within those entities, particularly during the period in which thisreport is being prepared;b) Designed such internal control over financial reporting, or caused such internal controlover financial reporting to be designed under my supervision, to provide reasonableassurance regarding the reliability of financial reporting and the preparation of financialstatements for external purposes in accordance with generally accepted accountingprinciples;c) Evaluated the effectiveness of the registrant’s disclosure controls andprocedures and presented in this report my conclusions about the effectiveness of thedisclosure controls and procedures, as of the end of the period covered by this report basedon such evaluation; andd) Disclosed in this report any change in the registrant’s internal control overfinancial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) that occurredduring the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarterin the case of an annual report) that has materially affected, or is reasonably likely tomaterially affect, the registrant’s internal control over financial reporting; and5. I have disclosed, based on my most recent evaluation of internal control overfinancial reporting, to the registrant’s auditors and the audit committee of registrant’s board ofdirectors (or persons performing the equivalent functions):a) All significant deficiencies and material weaknesses in the design or operationof internal control over financial reporting which are reasonably likely to adversely affectthe registrant’s ability to record, process, summarize and report financial information; andb) Any fraud, whether or not material, that involves management or other employeeswho have a significant role in the registrant’s internal control over financial reporting.       Date: August 1, 2007   /s/ Joe R. Davis             Joe R. Davis      Chairman of the Board of Directors and      Chief Executive Officer      (Principal Executive Officer and Principal Financial Officer)