Exhibit 4.5
 REGISTRATION RIGHTS AGREEMENT
 Dated as of February 17, 2011
by and among
 CAMBIUM LEARNING GROUP, INC.,  THE GUARANTORS LISTED ON SCHEDULE I HERETO
 and
 BARCLAYS CAPITAL INC.
BMO CAPITAL MARKETS CORP.




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Agreement Company Guarantors Representatives Initial Purchaser Initial Purchasers Initial Notes Guarantees Initial Securities
 Purchase Agreement Indenture
  SECTION 1. DEFINITIONS
  Act
 Additional Interest
 Affiliate
 Broker-Dealer
 Business Day
 Closing Date
 Commission




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Consummate
 Consummation Deadline
 Effectiveness Deadline
 Exchange Act
 Exchange Securities
 Exchange Offer
 Exchange Offer Registration Statement :
 Filing Deadline
 Free Writing Prospectus
 Holders :
 Interest Payment Date
 Prospectus
 Recommencement Date
  -2-




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Registration Default
 Registration Statement
 Rule 144
 Shelf Registration Statement
 Suspension Rights
 Suspension Notice
 TIA
 Transfer Restricted Securities provided
 SECTION 2. HOLDERS
 Holder
  -3-




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SECTION 3. REGISTERED EXCHANGE OFFER
 Filing Deadline Effectiveness Deadline
 provided, however, Consummation Deadline
 Shearman & Sterling
  -4-




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SECTION 4. SHELF REGISTRATION
 Shelf Registration
 Obligation
Filing Deadline Shelf Registration
Statement
 Shelf Effectiveness Deadline
  -5-




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i.e., provided
  Provision by Holders of Certain Information in Connection with the Shelf Registration
Statement
  -6-




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SECTION 5. ADDITIONAL INTEREST
 Registration Default Additional Interest provided
  SECTION 6. REGISTRATION PROCEDURES
 Exchange Offer Registration Statement
  -7-




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Morgan Stanley and Co., Inc Exxon Capital Holdings
Corporation Shearman & Sterling
  -8-




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Exxon Capital Holdings Corporation Morgan Stanley and Co., Inc. Shearman & Sterling
 Shelf Registration Statement
    -9-




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General Provisions
 Suspension Rights provided
    -10-




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-11-




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provided
     -12-




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provided
     -13-




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provided, however,
  -14-




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Restrictions on Holders Suspension Notice Recommencement Date
  -15-




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SECTION 7. REGISTRATION EXPENSES
 provided however
    -16-




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SECTION 8. INDEMNIFICATION
  plus
 indemnified party indemnifying
party
  -17-




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-18-




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SECTION 9. RULE 144A AND RULE 144
  SECTION 10. MISCELLANEOUS
 Remedies
  -19-




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Free Writing Prospectus
 No Inconsistent Agreements
 Amendments and Waivers
 Additional Guarantors
 Third Party Beneficiary
  -20-




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Notices
   
  
   Successors and Assigns provided
  -21-




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Counterparts
 Headings
 Governing Law
 Severability
 Entire Agreement
   -22-




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CAMBIUM LEARNING GROUP, INC.By:Name:Title:VSS-CAMBIUM HOLDINGS II CORP.VSS-CAMBIUM HOLDINGS, LLCVSS-CAMBIUM HOLDINGS IV, LLCBy:Name:Title:CAMBIUM LEARNING, INC.By:Name:Title:KURZWEIL/INTELLITOOLS, INC.CAMBIUM EDUCATION, INC.LAZEL, INC.By:Name:Title:
  S-1




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BARCLAYS CAPITAL INC.BMO CAPITAL MARKETS CORP.As representatives of the several Initial Purchasersnamed in Schedule 1 of the Purchase AgreementBy:
    
    BARCLAYS CAPITAL INC.ByName:Title:By:
    
    BMO CAPITAL MARKETS CORP.ByName:Title:
  S-2




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SCHEDULE I