but it does not result from the substitution of one paper writing for another, or one evidence of debt for another, or one contract for another, unless such substitution is made with the intention of all parties concerned to extinguish the old one.’ ” Id. at 326-327.
See also, Williston, Contracts, 3d Ed., Vol. 2, Section 353; Corbin, Contracts, Vol. 6, Section 1293; Brantly, Contracts, 2d Ed., Section 175.
The necessary elements of a novation were set forth in District National Bank of Washington v. Mordecai, 133 Md. 419, 105 A. 586 (1919), wherein this Court stated:
“A novation is a new contractual relation and contains four essential requisites: (1) A previous valid obligation; (2) the agreement of all the parties to the new contract; (3) the validity of such new contract, and (4) the extinguishment of the old contract, by the substitution for it of the new one. Id. at 427.
The above enumerated requisites are also repeated in Williston, Contracts, 3d Ed., Vol. 2, Section 353.
In reviewing the record in the case at bar we find the requisites essential to a novation to be present.
The parties raised no doubt concerning the validity of the original agreement between them, whereby in return for the Finnertys’ purchasing Blossom Inn, Leisner agreed to save them harmless from loss. The venture unfortunately did become a hapless one. A year after the property had been acquired, Mrs. Finnerty notified Leisner of her expenses to that date, which were almost $3,000.00. Approximately 18 months later, in January of 1963, the Finnertys notified the nephew, Leisner, that they needed money and wanted to be “bailed out.” Leisner responded by purchasing an undivided one-half interest in the Inn for $5,250.00. Approximately a year later Mrs. Finnerty urged Leisner to become the sole owner of the Inn, or else they could dispose of it to a third party. There is no doubt that there had been at this time a change in the position of the parties as the circumstances were such that they no longer expected to profitably operate the Inn. Zoning problems had also affected the